Gruffudd ap Llewelyn

See Darrell Wolcott, http://www.ancientwalesstudies.org/id116.html -- for the untangling of these lines. (January 10, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; http://www.ancientwalesstudies.org/id92.html, [#58] [#74] [#84] (Steven Ferry, November 5, 2017.)

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#268] (Steven Ferry, December 5, 2017.)

Please see Darrell Wolcott: Dafydd Goch ap Dafydd - His Real Ancestry; http://www.ancientwalesstudies.org/id116.html. (Steven Ferry, August 22, 2020.)

Please see Darrell Wolcott: Marchweithian of Is Aled - Further Notes; http://www.ancientwalesstudies.org/id318.html. (Steven Ferry, September 9, 2023.)

Please see Darrell Wolcott: Rhiryd ap Rhiwallon - Who Was He?; http://www.ancientwalesstudies.org/id323.html (Steven Ferry, March 28, 2024.)