Myfanwy verch Dafydd

See Darrell Wolcott, "The Pedigree of Cynddelw Gam," http://www.ancientwalesstudies.org/id94.html for untangling and clarification of these lines. (January 23, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#129] (Steven Ferry, November 23, 2017.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - Who was Maredudd ap Cynan?; http://www.ancientwalesstudies.org/id47.html. (Steven Ferry, December 17, 2019.)