Immediate Family
About Dafydd ap Gruffudd
See Peter Bartrum: https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5603/Bleddyn... (March 23, 2017; Anne Brannen, curator)
See Darrell Wolcott, the Pedigree of Cynddelw Gam, for the untangling of these lines: http://www.ancientwalesstudies.org/id94.html (March 29, 2016; Anne Brannen, curator).
Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#90] (Steven Ferry, November 7, 2017.)
Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#255] (Steven Ferry, December 3, 2017.)
Please see Darrell Wolcott: Owain Brogyntyn and His Family; http://www.ancientwalesstudies.org/id224.html. (Steven Ferry, July 28, 2020.)
Courtesy of fantastically full family tree cf.:
Hughes of Gwerclas 1/2/3/4:
http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...
http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...
http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...
http://www.maximiliangenealogy.co.uk/burke1/Royal%20Descents/hughes...