Alice Le Fleming (de Greystoke) - wrong husband?

Shouldn't her husband be Edgar of Dunbart?

Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 41:23-24, Edgar of Dunbar was the son of Gospatric II, and was living in 1140. Edgar married to Alice de Greystoke, daughter of Ivo Fitz Frone, Lord of Greystock. 160

https://fmg.ac/Projects/MedLands/SCOTTISH%20NOBILITY.htm#EdgarMAlic...
GOSPATRICK, son of GOSPATRICK Earl of Northumberland & his wife --- (-[killed in battle Cowton Moor, near Northallerton 22 Aug 1138]).
Gospatrick & [his wife] had four children:
3. EDGAR . The first document quoted here indicates that Edgar was illegitimate but none of the other documents corroborate this statement. The History of Richard Prior of Hexham records the devastations of "Eadgarus filius nothus Cospatrici comitis et Robertus et Uctred filii Meldred, principales ac duces" in Northumbria, dated to the 1130s from the context[1493].
m ALICE, daughter of IVO FitzForne of Greystoke, Cumberland & his wife Agnes ---

https://our-royal-titled-noble-and-commoner-ancestors.com/p351.htm#...
Edgar of Beanley de Dunbar1
Last Edited 4 Apr 2020
M, #10528, d. after 1140
Father Gospatrick, 2nd Earl Dunbar, Earl of March, Baron of Beanley b. c 1070, d. 23 Aug 1138
Mother Sybil Morel
Edgar of Beanley de Dunbar married Alice Greystoke, daughter of Ives of Greystock and Agnes FitzWalter.2 Edgar of Beanley de Dunbar died after 1140.
Family
Alice Greystoke
Child
Agnes de Dunbar+
Citations
[S2585] Unknown author, Ancestral Roots of 60 Colonists by F. L. Weis, p. 48.
[S11565] The Scots Peerage, Vol. III, edited by Sir James Balfour Paul, p. 249.