Rhys Ieuanc ap Gruffydd

Please see Darrell Wolcott :Bartrum's "Pedigrees of the Welsh Tribal Patriarchs" #10 Iarddur ap Cynddelw, footnote 6; http://www.ancientwalesstudies.org/id178.html. (Steven Ferry, September 10, 2019.)

Please see Darrell Wolcott: The Welsh Ancestry of the Tudor Dynasty; http://www.ancientwalesstudies.org/id217.html. (Steven Ferry, April 8, 2020.)

Please see Darrell Wolcott: The Children of Lord Rhys; http://www.ancientwalesstudies.org/id187.html. (Steven Ferry, September 15, 2020.)

Please see Darrell Wolcott: Maredudd Gethin ap Lord Rhys; http://www.ancientwalesstudies.org/id213.html. (Steven Ferry, September 17, 2020.)