Isabella, Countess of Gloucester

Isabella, Countess of Gloucester (1173/1174 – 14 October 1217), was an English noblewoman who was married to King John prior to his accession. Isabella was the daughter of William Fitz Robert, 2nd Earl of Gloucester, and his wife Hawise. Her paternal grandfather, Robert, 1st Earl of Gloucester, was the illegitimate son of King Henry I. Her father died in 1183, at which time she became Countess of Gloucester suo jure. Isabella died just a month after her third marriage, probably at Keynsham Abbey in Somerset, which was founded by her father, and was interred in Canterbury Cathedral.

Family

https://en.wikipedia.org/wiki/Isabella,_Countess_of_Gloucester

• Father: William Fitz Robert, 2nd Earl of Gloucester
• Mother: Hawise de Beaumont
• Spouses: 1) John, King of England (annulled); 2) Geoffrey FitzGeoffrey de Mandeville, 2nd Earl of Essex 3) Hubert de Burgh, 1st Earl of Kent
• Children: none

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Biographical notes

From “ Isabella of Gloucester joined the ‘never quite making it to Queen’ club when she married Prince John”.

... If the history of her life had been recorded in any way, it would have been a fascinating read. She was married to one of the most vilified men in England’s history, she lay alongside men of power, she was over ridden by powerful women and yet she survived. What influence did Isabella bring to bear on any of the situations she found herself in? What did she have to say about King John to her second husband, what part did she play in the run up to the Magna Carta? How did Isabella of Gloucester survive? (See more at site)

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From “ Isabella of Gloucester, the Lost Queen of England” 27/02/2015

Isabella was the youngest daughter, and co-heiress, of William, 2nd Earl of Gloucester and his wife, Hawise, daughter of Robert de Beaumont, 2nd Earl of Leicester; Isabella was therefore a great-granddaughter of Isabel de Vermandois. Although her date of birth has been lost to history – most sources say between 1173 and 1176 – she was betrothed in 1176, possibly whilst still in her cradle, to Prince John. (See more at the site)

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From “ Isabella of Gloucester, Queen of England, Countess of Gloucester and Essex” MAY 2, 2015

When King Richard died in 1199, John became King of England and his prospects were significantly altered. Isabella was not crowned with John in May. He began in earnest to demonstrate great interest in a more dynastic marriage but his prospects were complicated by the fact that he was already married. His wife of ten years had played no part in his reign and possibly not in his personal life either. She had no children and made no appeal of John’s decision for an annulment. It’s also possible John bought her off. (See more at the site)

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From “ Isabella, first wife of King John (d. 1217) (Magna Carta Trust)

In 1213, Isabella of Gloucester drew up a will to dispose of her moveable goods, which King John confirmed when he was at Bristol on 14 March.[xv] Then, almost without warning, Isabella’s personal circumstances were transformed. Anxious to raise money to fund military operations to recover his lost territories on the Continent, King John finally decided to sell the rights to Isabella’s remarriage, together with the earldom of Gloucester. John’s intention was made public on 28 January 1214, when he issued letters patent addressed to all the knights and free tenants of the honour of Gloucester, informing them that ‘we have given Isabella, countess of Gloucester, our kinswoman’ in marriage to Geoffrey de Mandeville, earl of Essex.[xvi] King John charged Geoffrey 20,000 marks, a vast sum of money, for the privilege of marrying his former wife and taking possession of her estates, with the exception of Bristol castle. As part of the deal, John imposed stringent financial terms on Mandeville, who was expected to pay off his debt reasonably swiftly or risk the confiscation of the Gloucester estates, as Isabella’s new husband found to his cost when he failed to observe the agreed rates of repayment.[xvii] Although John later offered to place the matter of Geoffrey’s debt before the judgment of the king’s court, this experience helps to explain why Isabella and her new husband were among those who rebelled against the king in 1215.[xviii]
Isabella’s brief, second marriage appears to have been a reasonably contented one. She regularly issued charters jointly with or alongside her husband.[xix] We also have a visual representation of Isabella that survives from this time in the form of the seal that she used to authenticate documents, upon which she was depicted as a standing, female figure, wearing a long, flowing robe, girt at the waist. The countess was shown facing forwards, with a fleur-de-lys or flower in her right hand, and a bird in her left hand. On her seal legend she continued to style herself as ‘Isabella, countess of Gloucester and Mortain’, the titles she had used during her marriage to John.[xx]
Geoffrey de Mandeville’s death from wounds sustained in a tournament on 23 February 1216 left Isabella a widow.[xxi] The independent authority and control of her estates that she enjoyed in widowhood, and for the first time in her life, found expression in a whole flurry of charters that she issued in the years 1216-17, many of which confirmed earlier gifts by her natal kin to religious houses.[xxii] The size and wealth of Isabella’s lands, however, proved too tempting to potential suitors, especially as the civil war over Magna Carta drew to a close in England. In August 1217, Hubert de Burgh, one of the leading figures of the minority government of the new boy king Henry III, was awarded seisin of Isabella’s estates and in the autumn, following Isabella’s return to allegiance to the crown, Hubert took her as his wife.[xxiii] Isabella did not live long enough to experience life with her third husband; she died on 14 October 1217, soon after this new marriage was celebrated, and was buried at Canterbury.[xxiv] (See more at site)

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A Glimpse of Rebel London, May 1216 (The Magna Carta Project)

Both of our charters were issued in the name of Isabella of Gloucester. Neither of them is included in Robert Patterson's otherwise definitive edition of Isabella's acts.11 Isabella herself remains one of the more shadowy figures in the history of the reign of King John. Born at an uncertain date, perhaps as early as 1160, as the daughter of William earl of Gloucester, and hence as the great-granddaughter of King Henry I, she was betrothed (in 1176) and in 1189 married to John, Henry II's youngest son. When John succeeded to the throne ten years later, Isabella in theory became Queen of England. In practice, her failure to produce children ensured that by August 1199 her marriage to John had been annulled on the grounds of consanguinity, only three months after John's coronation as King. Thereafter, and chiefly to protect John's interest in the Gloucester estate including the city of Bristol, Isabella was kept under effective house arrest at Winchester, Bristol and elsewhere. There she remained a shadowy presence at court, even despite John's remarriage to Isabella of Angoulême. ....
... So far, then, our charters supply an interesting insight into the ties that bound the rebels. But their significance extends beyond this. To begin with, they reveal Isabella of Gloucester, John's former queen, occupying a prominent and apparently honoured place at the heart of rebel-held London. For the King's former wife to have so altered her allegiance should surely remind us of the heady days of the 1170s, when Eleanor of Aquitaine, John's mother, had played a leading role in the great rebellion against her husband, King Henry II. Even more significantly, and here considering not only the principal parties to these charters but their witnesses, we find, as late as May 1216, a full year after the rebel seizure of London and nearly a year since Runnymede, no less than ten of the twenty-five barons of June 1215 still resident in London, still operating together as a rebel elite: Saher de Quincy earl of Winchester, Richard de Clare earl of Hertford, William de Mandeville earl of Essex, Robert de Vere earl of Oxford, Robert fitz Walter, William Marshal the younger, Gilbert de Clare, William of Huntingfield, William de Lanvallay, and Isabella herself as representative of Geoffrey de Mandeville.

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“Almost Queens: Isabel of Gloucester”

” ... Once again though fate meant that any happiness was short lived, but this time it was Isabel's death that curtailed a short marriage. She died on 14 October 1217, possibly at the abbey of Keynsham in Somerset. The Abbey had been in her family for years, possibly after being founded on the request of Isabel's dying brother. Maybe she had been visiting her lands when she was suddenly taken ill, or maybe she had been sick for a while and wanted to be cared for at a place that reminded her of her family. She was buried in Canterbury Cathedral, and the Earldom of Gloucester went to Gilbert de Clare (whose wife Isabel Marshal was another Almost Queen), the son of her older sister Amice, who had been disinherited in Isabel's favour.” (See more at site)

Feudal barony of Gloucester

https://en.wikipedia.org/wiki/Feudal_barony_of_Gloucester#Amice_Fit...

Prince John Plantagenet

Following the death in 1183 of William Fitz Robert, 2nd Earl of Gloucester, the barony escheated temporarily to the crown and was controlled by King Henry II (1154-1189) until 1189. In 1187 the custodian of the barony was charged scutage on 327 knight's fees, which included lands in Wales.[10] In 1189 he granted one of the 2nd Earl's daughters in his wardship, Isabel FitzWilliam (d.1217), in marriage to his younger son the future King John (1199-1216), who was thereupon also granted by his father the feudal barony of Gloucester, to be held jointly with Isabel his wife, one of the co-heiresses to the barony.

Geoffrey de Mandeville, 2nd Earl of Essex

King John (1199-1216) was divorced from Isabel in 1199 but retained control of the barony until 1214 when it passed to Geoffrey de Mandeville, 2nd Earl of Essex (c.1191-1216), whom King John had forced Isabel to marry. De Mandeville died two years later in 1216 then the barony escheated to the crown.

Hubert de Burgh, 1st Earl of Kent

Following the death of her first husband in 1216, Isabel married secondly in 1217 to Hubert de Burgh, 1st Earl of Kent (c.1160–c.1243) Justiciar of England and Ireland, to whom the barony passed, until the death of Isabel in 1217.

Amice FitzWilliam

On the death of Isabel in 1217 shortly after her second marriage, the barony passed to her surviving sister Amice FitzWilliam (d.1220), widow of Richard de Clare, 3rd Earl of Hertford (c. 1153–1217), feudal baron of Clare[12] in Suffolk. The barony subsequently passed into the family of her descendants the de Clare family, Earls of Gloucester, until the death of Gilbert de Clare, 7th Earl of Hertford, 8th Earl of Gloucester (1291–1314) at the Battle of Bannockburn in 1314.

Origins

http://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL.htm#W...

WILLIAM FitzRobert, son of ROBERT Fitzroy Earl of Gloucester & his wife Mabel [Matilda or Sibylle] FitzRobert (23 Nov [1112]-23 Nov 1183, bur Keynsham Abbey, Somerset). His birth date is confirmed by the Annals of Waverley which record the death “in nocte Sancti Clementis” in 1183 of “Willelmus comes Glocestriæ”, specifying that it was the same day he was born[1904]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey records that “comes Willielmus filius et hæres eiusdem” succeeded on the death of Robert Earl of Gloucester[1905]. He witnessed an agreement in 1128. He was imprisoned with his father at Rochester in Oct 1141 by the forces of King Stephen. Governor of Wareham 1144, during his father’s absence in Normandy. He succeeded his father in 1147 as Earl of Gloucester. The Gesta Stephani Regis records that "Willelmus filius suus…senior…ætate" succeeded as Earl of Gloucester on the death of his father, dated from the context to [1147][1906]. The Annals of Margan record that “comes Gloucestriæ Willelmus…et comitissa Hawysia” were captured “in castello Cardiviæ” by the Welsh in 1158[1907]. “Willielmus comes Glouc.” donated “ecclesia de Eltham” to Rochester, for the souls of “Roberti filii mei...Hawyse comitisse uxoris mee et liberorum...meorum”, by undated charter, confirmed by charter dated 8 Dec 1314[1908]. On his death, King Henry II took the honour of Gloucester and the Earldom into his own hands[1909]. Robert of Torigny records the death in 1183 of "Guillermus comes Gloecestriæ" leaving three daughters as his heirs[1910]. The Annals of Margan record the death “IX Kal Dec” in 1183 of “Willelmus comes Gloucestriæ”[1911]. The Obituary of Lyre records the death 23 Nov of “Willelmus comes Glocestriæ”[1912]. The Annals of Waverley record the death “in nocte Sancti Clementis” in 1183 of “Willelmus comes Glocestriæ”, specifying that it was the same day he was born[1913]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey records the death in 1183 of “comes Willielmus Gloucestriæ” and his burial “apud Kenisham”[1914]. The necrology of Lyre monastery records the death "23 Nov" of "Willelmus comes Glocestriæ"[1915].

m ([1150]%29 HAVISE de Beaumont, daughter of ROBERT de Beaumont[-le-Roger] Earl of Leicester & his wife Amice de Gaël et de Montfort ([after 1120]-24 Apr or 25 May 1197). The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey records that “comes Willielmus” married “Hawisia filia comitis Leicestriæ”[1916]. The Annals of Margan record that “comes Gloucestriæ Willelmus…et comitissa Hawysia” were captured “in castello Cardiviæ” by the Welsh in 1158[1917]. “Willielmus comes Glouc.” donated “ecclesia de Eltham” to Rochester, for the souls of “Roberti filii mei...Hawyse comitisse uxoris mee et liberorum...meorum”, by undated charter, confirmed by charter dated 8 Dec 1314[1918]. The necrology of Lyre monastery records the death "25 May" of "Hawis comitissa Gloecestræ"[1919]. The Annals of Tewkesbury record the death “VIII Kal Mai” in 1197 of “Hawisa comitissa Glocestriæ”[1920].

Earl William & his wife had four children:

1. ROBERT (Cardiff [1150]-Cardiff 1166, bur Keynsham Abbey, Somerset). The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey names “Robertum” as son of “comes Willielmus” and his wife, adding that he predeceased his father and was buried “apud Keynesham”, and in a later passage that he was born in Cardiff where he also died in 1166[1921]. He witnessed a charter in 1155 with his parents[1922]. Leland quotes a manuscript which records the death in 1166 of "Robertus filius Gul comitis Glocestriæ"[1923]. “Willielmus comes Glouc.” donated “ecclesia de Eltham” to Rochester, for the souls of “Roberti filii mei...Hawyse comitisse uxoris mee et liberorum...meorum”, by undated charter, confirmed by charter dated 8 Dec 1314[1924]. The position of the name of Robert in the list of those for whose souls the donation was made suggests that it was dated shortly after Robert’s death.

2. MABEL (-1198). An anonymous continuation of the Chronicle of Robert of Mont-Saint-Michel records (in order) "Comitissa Ebroicensis…uxor Guillelmi Comitis de Clara, tertia…in manu Dei et domini Regis" as the three daughters left by "Guillelmus Comes Glocestriæ" when he died[1925]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey names “Mabiliam comiti de Evereis in Normannia nuptam…Amiciam…Isabellam” as the three daughters of “comes Willielmus” and his wife[1926]. Benedict of Peterborough records "uxori Amauri comitis Ebroicanum" as "Willelmus filius Roberti filii regis Henrici primi comes Gloucestriæ…filiam ipsius comitis"[1927]. Robert of Torigny records the marriage in 1170 of "primogenitam filiam Roberti comitis Gloecestriæ" and "Amauricus primogenitus filius Symonis comitis Ebroicensis"[1928]. In another passage, Robert of Torigny records the death in 1183 of "Guillermus comes Gloecestriæ" leaving three daughters as his heirs, of whom one (mentioned first) was "comitissa Ebroicensis"[1929]. The Annals of Tewkesbury record the death in 1198 of “Mabilia comitissa Ebroici”[1930]. m ([1170]%29 AMAURY [V] de Montfort Comte d'Evreux, son of SIMON [III] de Montfort Comte d’Evreux & his wife Mathilde --- (-13 Mar 1182). Their son Amaury [VI] de Montfort Comte d'Evreux was created Earl of Gloucester in 1199, after King John divorced his wife Isabel Ctss of Gloucester who was Amaury’s maternal aunt (see below).

3. AMICE (-1 Jan 1225). An anonymous continuation of the Chronicle of Robert of Mont-Saint-Michel records (in order) "Comitissa Ebroicensis…uxor Guillelmi Comitis de Clara, tertia…in manu Dei et domini Regis" as the three daughters left by "Guillelmus Comes Glocestriæ" when he died[1931]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey names “Mabiliam comiti de Evereis in Normannia nuptam…Amiciam…Isabellam” as the three daughters of “comes Willielmus” and his wife, adding that Amice married “domino Richardo de Clare comiti de Hertford”[1932]. Benedict of Peterborough records "uxori comitis de Clara" as "Willelmus filius Roberti filii regis Henrici primi comes Gloucestriæ…filiam ipsius comitis"[1933]. Robert of Torigny records the death in 1173 of "Rogerius comes de Clara" and the succession of "Ricardus filius eius", recording that the latter was married to "filiam Guillermi comitis Gloecestriæ"[1934]. In another passage, Robert of Torigny records the death in 1183 of "Guillermus comes Gloecestriæ" leaving three daughters as his heirs, of whom one (mentioned second) was "uxor Guillermi comitis de Clara"[1935]. The primary source which confirms her name has not yet been identified. She was recognised as Ctss of Gloucester in her own right after [1210], following the death of her nephew Amaury VI de Montfort Comte d’Evreux, although this was subject to the continuing rights of Amice's sister Isabel who was also recognised as Ctss of Gloucester. On the death of Ctss Isabel in 1217, Amice was recognised as undisputed Ctss of Gloucester. m ([1180], separated before 1200) RICHARD de Clare Earl of Hertford, son of ROGER de Clare Earl of Hertford and Earl of Clare & his wife Matilda de Saint-Hilaire (-[30 Oct/28 Nov] 1217). He sided with the Barons against King John, and played a leading part in the negotiations for Magna Carta.

4. ISABEL [Avise] ([before 1176]-14 Oct or [18 Nov] 1217, bur Canterbury Cathedral Church). An anonymous continuation of the Chronicle of Robert of Mont-Saint-Michel records (in order) "Comitissa Ebroicensis…uxor Guillelmi Comitis de Clara, tertia…in manu Dei et domini Regis" as the three daughters left by "Guillelmus Comes Glocestriæ" when he died[1936]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey names “Mabiliam comiti de Evereis in Normannia nuptam…Amiciam…Isabellam” as the three daughters of “comes Willielmus” and his wife, adding that Isabel married “Henricus rex…Johanni filio suo”[1937]. Benedict of Peterborough records the betrothal in 1176 of "Johannem filium regis minimum" and "Willelmus filius Roberti filii regis Henrici primi comes Gloucestriæ…filiam ipsius comitis" and the agreement whereby John would inherit the county of Gloucester[1938]. Her marriage is recorded by Matthew Paris, who specifies that it took place despite the prohibition of Baldwin Archbishop of Canterbury on the grounds of consanguinity, although he does not name her[1939]. The Chronicle of Ralph of Coggeshall records that "comes Johannes frater eius [rege Ricardo]" married "filiam comitis Glocestriæ"[1940]. She was recognised as Ctss of Gloucester in her own right from her marriage in [1189]. Matthew Paris records that the king divorced "uxorem suam Hawisam comitis Gloverniæ filiæ" [in 1200 from the context] because “affines erant in tertio gradu consanguinitatis”[1941]. The Annales Londonienses record the divorce in 1200 of King John and "Hawysiam filiam comitis Gloverniæ", stating that they were "in tertio gradu consanguinitatis"[1942]. King John appears to have kept her as a state prisoner after their divorce, but retained her title even after her nephew Amaury de Montfort was installed as Earl of Gloucester in 1199[1943]. The Chronica de Fundatoribus et Fundatione of Tewkesbury Abbey records the second marriage of “Isabellam” and “Galfrido de Mandevile comiti Essexiæ”, and her third marriage to “Huberto de Burgo justiciario Angliæ”[1944]. Her lands and title were confiscated on the death of her second husband. The Annals of Waverley record the death in 1217 of “Isabel comitissa Gloucestriæ”[1945]. The Annals of Dunstable record that “Johannam comitissam Gloucestriæ” died “paucos dies” after her marriage to “Hubertus de Burgo justiciarius Angliæ” and was buried “apud Cantuarium”[1946]. m firstly (Betrothed 1176, Marlborough 29 Aug 1189, divorced before 30 Aug 1199) as his first wife, JOHN Prince of England, son of HENRY II King of England & his wife Eléonore Ctss d’Aquitaine (Beaumont Palace, Oxford 24 Dec 1166 or 1167-Newark Castle, Lincolnshire 18/19 Oct 1216, bur Worcester Cathedral). He succeeded his brother Richard I in 1199 as JOHN King of England. m secondly ([16/26] Jan 1214) as his second wife, GEOFFREY de Mandeville Earl of Essex, son of GEOFFREY FitzPiers Earl of Essex & his first wife Beatrice de Say (-London 23 Feb 1216, bur Trinity Prior within Aldgate). He became Earl of Gloucester on his marriage, by right of his wife. He was mortally wounded at a tournament in London[1947]. m thirdly ([Sep] 1217) as his second wife, HUBERT de Burgh, son of --- & his wife Alice (-Banstead, Surrey 12 May 1243, bur Church of the Black Friars, Holborn). Chamberlain of King John [1198]-1205. He was granted the lands of Ctss Isabel 13 Aug 1217. One of the chief advisers to King Henry III in the early years of his reign. Created Earl of Kent 19 Feb 1227. No issue.

Sources

• [1904] Annales de Waverleia, p. 243.
• [1905] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1906] Gesta Stephani Regis II, p. 132.
• [1907] Annales de Margan, p. 15.
• [1908] Thorpe, J. (1769) Registrum Roffense (London) (“Registrum Roffense”), p. 345.
• [1909] CP V 687-8.
• [1910] Robert de Torigny, Vol. II, p. 124.
• [1911] Annales de Margan, p. 17.
• [1912] Ex Obituariis Lirensis Monasterii, RHGF XXIII, p. 475.
• [1913] Annales de Waverleia, p. 243.
• [1914] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1915] RHGF XXIII, Ex Obituario Lirensis monasterii, p. 475.
• [1916] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1917] Annales de Margan, p. 15.
• [1918] Registrum Roffense, p. 345.
• [1919] RHGF XXIII, Ex Obituario Lirensis monasterii, p. 472.
• [1920] Annales de Theokesberia, p. 55.
• [1921] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1922] CP V 689.
• [1923] Toulmin Smith, L. (ed.) (1910) The Itinerary of John Leland in or about the years 1535-1543 (London) ("Leland’s Itinerary"), Vol. V, Part XI, p. 174, Ex annalibus, autore incerto.
• [1924] Registrum Roffense, p. 345.
• [1925] Anonymi Continuatio appendicis Roberti de Monte ad Sigebertum, RHGF XVIII, p. 336.
• [1926] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1927] Benedict of Peterborough I 1176, p. 124.
• [1928] Robert de Torigny, Vol. II, p. 22.
• [1929] Robert de Torigny, Vol. II, p. 124.
• [1930] Annales de Theokesberia, p. 56.
• [1931] Anonymi Continuatio appendicis Roberti de Monte ad Sigebertum, RHGF XVIII, p. 336.
• [1932] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1933] Benedict of Peterborough I 1176, p. 124.
• [1934] Robert de Torigny, Vol. II, p. 41.
• [1935] Robert de Torigny, Vol. II, p. 124.
• [1936] Anonymi Continuatio appendicis Roberti de Monte ad Sigebertum, RHGF XVIII, p. 336.
• [1937] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1938] Benedict of Peterborough I 1176, p. 124.
• [1939] Matthew Paris, Vol. II, 1189, p. 348.
• [1940] Radulphi de Coggeshall, Chronicon Anglicanum, p. 61.
• [1941] Matthew Paris, Vol. II, 1200, p. 462.
• [1942] Annales Londonienses, p. 6.
• [1943] CP V 689-90.
• [1944] Dugdale Monasticon II, Tewkesbury Monastery, Gloucestershire I, Chronica de Fundatoribus et Fundatione Ecclesiæ Theokusburiæ, p. 61.
• [1945] Annales de Waverleia, p. 289.
• [1946] Annales de Dunstaplia, p. 45.
• [1947] CP V 691.

References

• https://en.wikipedia.org/wiki/Feudal_barony_of_Gloucester
• https://thefreelancehistorywriter.com/2015/05/02/isabella-of-glouce...
• https://historytheinterestingbits.com/2015/02/27/isabel-of-gloucest...
• https://magnacarta800th.com/schools/biographies/women-of-magna-cart...
• [i] For more detailed accounts of Isabella of Gloucester and the earldom of Gloucester, see Earldom of Gloucester Charters, ed. R. B. Patterson (Oxford, 1973), introduction, esp. pp. 5-9; R. B. Patterson, ‘Isabella, suo jure countess of Gloucester (c.1160–1217)’, Oxford Dictionary of National Biography (Oxford University Press, 2004; online edn, Oct 2005), available at http://www.oxforddnb.com/view/article/46705, accessed 28 Oct 2014.
• [xx] Earldom of Gloucester Charters, pp. 24-25; S. M. Johns, Noblewomen, Aristocracy and Power in the Twelfth-Century Anglo-Norman Realm (Manchester, 2003), pp. 132, 138, 214.
• https://www.thoughtco.com/isabella-of-gloucester-3529654
• https://intriguing-history.com/isabella-gloucester-first-wife-king-...
• https://magnacartaresearch.org/read/feature_of_the_month/May_2015_6 cites
• 14. Earldom of Gloucester Charters, ed. Patterson, nos. 76, 114, 141-50, and for charters issued by her as countess of Gloucester and Essex apparently during the lifetime of Geoffrey de Mandeville, nos. 4, 9, 140, with Isabella's seal attached to nos. 140, 144-6 (Aberystwyth, National Library of Wales mss. Penrice and Margam 113, 113c, 2042-3, pointed oval, a standing female figure, forearms extended with long hanging sleeves, a flower or fleur-de-lys in her right hand, a bird in her left hand, legend: +SIGILLVM ISABEL' COMITISSE GLOECESTRIE ET MORETUNE, i.e. the seal used by her from 1189 to 1199 as countess of Mortain, counterseal, an antique intaglio, oval, a helmeted bust to the right between two figures of Nike, an eagle below rising between two standards, legend: +EGO SV' AQILA CVSTOS D'NE MEE, cf. Plate XXXI d and f.
  • https://deeds.library.utoronto.ca/charters/00810004
• 15. GEC, Complete Peerage, v, 129-30, citing the Canterbury obit list in London, Lambeth Palace Library ms. 20, 'II. Idus Octobris. Obiit Isabella comitissa'. For what may well have been a deathbed grant by Isabella, with title as countess of Gloucester, granting the monks of Canterbury £10 of land in her manor of Petersfield (Hampshire), witnessed by Hubert de Burgh and other members of the De Burgh household, see Canterbury Cathedral Archives ms. D. & C. Register B fo.404r.
• 20. J. H. Round, 'King John and Robert Fitzwalter', English Historical Review, xix (1904), 707-11, continuing work first published by Round in his Feudal England (London, 1895), 475, 575, and idem., 'The Fitzwalter Pedigree', Transactions of the Essex Archaeological Society, n.s. vii (1900), 329-30
• “Noblewomen, Aristocracy and Power in the Twelfth-century Anglo-Norman Realm.” Susan M. Johns. (2003) page 227. PDF
• “The Abbey church of Tewkesbury with some account of the priory church of Deerhurst Gloucestershire.” by Massé, H. J. L. J. (Henri Jean Louis Joseph), 1860-. Page 8-9. Archive.Org The earldom of Gloucester finally passed in 1221 to Amice — sister of the Lady Isabella — great granddaughter of Fitz-Hamon the founder, who had married Richard de Clare, Earl of Hertford. This Richard de Clare was the ancestor of the Tewkesbury De Clares, a family which held the honour of Tewkesbury for nearly a century.

Please see Darrell Wolcott: Ifor Bach, Lord of Senghenydd; http://www.ancientwalesstudies.org/id316.html (Steven Ferry, August 4, 2023.)