Cadrod ap Gwriad

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173393063941 (February 6, 2023; Anne Brannen, curator)

See Darrell Wolcott, "The Pedigree of Cynddelw Gam," http://www.ancientwalesstudies.org/id94.html for untangling and clarification of these lines. (January 18, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#29] (Steven Ferry, October 24, 2017.)

Please see Darrell Wolcott: The Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#68] (Steven Ferry, November 19, 2017.)

Please see Darrell Wolcott: The Royal Family of Gwynedd - The Children of Gruffudd, Nephew of Iago; http://www.ancientwalesstudies.org/id80.html. (Steven Ferry, December 13, 2019.)

Please see Darrell Wolcott: Cadafael Ynfyd of Cydewain; http://www.ancientwalesstudies.org/id150.html. (Steven Ferry, July 10, 2020.)

Please see Darrell Wolcott: The Legendary Kingdom of Seisyllwg; http://www.ancientwalesstudies.org/id123.html. (Steven Ferry, September 11, 2020.)

Please see Darrell Wolcott: "Bartrum's Pedigrees of the Welsh Tribal Patriarchs" - #26 - Geraint of Pentraeth; http://www.ancientwalesstudies.org/id256.html. (Steven Ferry, March 15, 2021.)

Please see Darrell Wolcott: Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #30 - Cilmin Droed Ddu; http://www.ancientwalesstudies.org/id260.html. (Steven Ferry, March 16, 2021.)