Cynfelyn ap Dyfnwal Hen

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173392989885 (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: Harleian Ms 3859; http://www.ancientwalesstudies.org/id129.html. (Steven Ferry, March 9, 2021.)