Cadell Ddyrnllwg ap Cadeyrn

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173392786891 (February 6, 2023; Anne Brannen, curator)

See Darrell Wolcott, "Beli Mawr and Llyr Llediath in Welsh Pedigrees," http://www.ancientwalesstudies.org/id145.html -- for help in untangling these lines. (May 18, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#141] (Steven Ferry, November 24, 2017.)

Please see Darrell Wolcott: Beli Mawr and Llyr Llediath in Welsh Pedigrees; http://www.ancientwalesstudies.org/id145.html . (Steven Ferry, Aug 25, 2019)

Please see Darrell Wolcott: Catel Durnluc aka Cadell Ddyrnllwg; http://www.ancientwalesstudies.org/id202.html. (Steven Ferry, October 7, 2019.)

Please see Darrell Wolcott: Ancient Powys; http://www.ancientwalesstudies.org/id79.html. (Steven Ferry, October 8, 2019.)

Please see Darrell Wolcott: The Royal Family of Powys - Vortigern and the Powys Dynasty; http://www.ancientwalesstudies.org/id15.html. (Steven Ferry, October 12, 2019.)

Please see Darrell Wolcott: The Royal Family of Powys - Nest ferch Cadell ap Brochwel; http://www.ancientwalesstudies.org/id12.html. (Steven Ferry, October 13, 2019.)

Please see Darrell Wolcott: The Royal Family of Powys - The "Mael Maelienydd" in Medieval Pedigrees; http://www.ancientwalesstudies.org/id76.html. (Steven Ferry, October 29, 2019.)

Please see Darrell Wolcott: Anwn Dynod ap Maxen Wledig; http://www.ancientwalesstudies.org/id21.html. (Steven Ferry, February 13, 2020.)

Please see Darrell Wolcott: The Composite Lives of St Beuno; http://www.ancientwalesstudies.org/id23.html. (Steven Ferry, February 19, 2020.)

Please see Darrell Wolcott: Pedigree of the Ancient Lords of Ial; http://www.ancientwalesstudies.org/id93.html. (Steven Ferry, April 6, 2020.)

Please see Darrell Wolcott: The Shropshire Walcot Family- Chart III: First Powys Dynasty; http://www.ancientwalesstudies.org/id98.html. (Steven Ferry, May 17, 2020.)

Please see Darrell Wolcott: The Medieval "Redating" of Braint Hir; http://www.ancientwalesstudies.org/id64.html. (Steven Ferry, July 5, 2020.)

Please see Darrell Wolcott: Trahaearn ap Caradog of Arwystli; http://www.ancientwalesstudies.org/id68.html. (Steven Ferry, July 7, 2020.)

Please see Darrell Wolcott: Maredudd ap Owain, King of Deheubarth; http://www.ancientwalesstudies.org/id206.html. (Steven Ferry, July 17, 2020.)

Please see Darrell Wolcott: Cowryd ap Cadfan of Dyffryn Clwyd; http://www.ancientwalesstudies.org/id53.html. (Steven Ferry, August 13, 2020.)

Please see Darrell Wolcott: Three Men Called Iorwerth Goch "ap Maredudd": http://www.ancientwalesstudies.org/id140.html. (Steven Ferry, September 6, 2020.)

Please see Darrell Wolcott: Harleian Ms 3859; http://www.ancientwalesstudies.org/id129.html. (Steven Ferry, March 9, 2021.)

Please see Darrell Wolcott: Foundations of 'The Men of the North' - Part 2; http://www.ancientwalesstudies.org/id279.html. (Steven Ferry, July 9, 2021.)

Please see Darrell Wolcott: The Lineage of Pebid Penllyn; http://www.ancientwalesstudies.org/id288.html. (Steven Ferry, January 7, 2022.)

Please see Darrell Wolcott: The Clan of Tudor Trevor; http://www.ancientwalesstudies.org/id55.html. (Steven Ferry, May 6, 2022.)

Please see Darrell Wolcott: The Family of Emyr Llydaw; http://www.ancientwalesstudies.org/id305.html (Steven Ferry, October 7, 2022.)