Gronwy ap Cynwrig

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

Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; http://www.ancientwalesstudies.org/id94.html; [#130] (Steven Ferry, November 23, 2017.)

Please see Darrell Wolcott: Dating & Identifying Unfamiliar Welsh Families; http://www.ancientwalesstudies.org/id250.html. (Steven Ferry, December 3, 2020.)