Rhirid ab Owain

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4701/Edwin%2... (November 5, 2018; Anne Brannen, curator)

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

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#86] (Steven Ferry, November 6, 2017.)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#190] [#242] (Steven Ferry, December 1, 2017.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Was Owain ap Edwin Really a Traitor; http://www.ancientwalesstudies.org/id87.html. (Steven Ferry, June 8, 2020.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Aldud ap Owain of Tegeingl; http://www.ancientwalesstudies.org/id83.html. (Steven Ferry, June 18, 2020.)