Rhys ap Llewelyn Aurdorchog

He had only the one child, Gwenllian verch Rhys.

See Darrell Wolcott, "The Pedigree of Cynddelw Gam," http://www.ancientwalesstudies.org/id94.html for untangling and clarification of these lines. (January 16, 2016, Anne Brannen, curator)

Please see Darrell Wolcott: The Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#9] (Steven Ferry, November 11, 2017.)

Please see Darrell Wolcott: Eunydd Son of Gwenllian; http://www.ancientwalesstudies.org/id51.html. (Steven Ferry, August 2, 2020.)