Gruffudd ap Llewelyn

See Darrell Wolcott, "The Pedigree of Cynddelw Gam," http://www.ancientwalesstudies.org/id94.html for untangling and clarification of these lines. (January 21, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#150] (Steven Ferry, November 26, 2017.)

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: Gwgan ap Llewelyn ap Moriddig of Brycheiniog; http://www.ancientwalesstudies.org/id315.html (Steven Ferry, June 26, 2023.)

Please see Peter Bartrum: Llewelyn Fraisg; https://www.geni.com/documents/view?doc_id=6000000173392955896 (Steven Ferry, January 20, 2024.)