Dyfnwal Hen ap Ednyfed

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173395392857 (February 6, 2023; Anne Brannen, curator)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Elidyr Mwynfawr Contests Rhun ap Maelgwn for Gwynedd; http://www.ancientwalesstudies.org/id231.html. (Steven Ferry, December 22, 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: Lluan ferch Brychan; http://www.ancientwalesstudies.org/id39.html. (Steven Ferry, March 22, 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 1; http://www.ancientwalesstudies.org/id278.html. (Steven Ferry, July 2, 2021.)