Ionafal ap Meurig

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6516/TABLES%... (May 27, 2018; Anne Brannen, curator)

Please see Darrell Wolcott: The Royal Family of Gwynedd - History of Gruffudd ap Cynan, a New Perspective; http://www.ancientwalesstudies.org/id46.html. (Steven Ferry, December 1, 2019.)

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