Maredudd Hen ap Llewelyn Goch

See Darrell Wolcott, who has worked extensively on untangling the Welsh lines: http://www.ancientwalesstudies.org/id117.html (January 15, Anne Brannen, curator)

Please see Darrell Wolcott: The Evolution of the "Padriarc Brenin" Pedigree; http://www.ancientwalesstudies.org/id72.html. (Steven Ferry, October 3, 2019.)

Please see Darrell Wolcott: Henry, the Forgotten Son of Cadwgan ap Bleddyn; http://www.ancientwalesstudies.org/id117.html. (Steven Ferry, April 5, 2020.)

Please see Darrell Wolcott: Welsh Claims to Ceri after 1179; http://www.ancientwalesstudies.org/id69.html. (Steven Ferry, July 6, 2020.)

Please see Darrell Wolcott: Pedigree of Madog ap Idnerth; http://www.ancientwalesstudies.org/id267.html; [#94]. (Steven Ferry, June 17, 2021.)