Rhys ap Morda Frych

See Darrell Wolcott, http://www.ancientwalesstudies.org/id187.html, "The Children of Lord Rhys," for untangling of these lines. (April 21, 2016, Anne Brannen, curator)

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

Please see Darrell Wolcott: Selyf, "Brennin" Dyfed; http://www.ancientwalesstudies.org/id261.html. (Steven Ferry, March 18, 2021.)

Please see Darrell Wolcott: Welshmen Named Maenyrch; http://www.ancientwalesstudies.org/id310.html (Steven Ferry, January 23, 2023.)

Please see Darrell Wolcott: Rhydderch Ddu of Tal-y-Llyn; http://www.ancientwalesstudies.org/id314.html (Steven Ferry, April 9, 2023.)

Please see Peter Bartrum: Morda Frych; https://www.geni.com/documents/view?doc_id=6000000173393013907 (Steven Ferry, May 24, 2024.)