Philip ap Trahaearn

See Darrell Wolcott, http://www.ancientwalesstudies.org/id125.html -- for the untangling of these lines. (January 14, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: Sorting Out the Gwaithfoeds; http://www.ancientwalesstudies.org/id125.html. (Steven Ferry, September 5, 2020.)

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

Please see Peter Bartrum: Maenyrch 1; https://www.geni.com/documents/view?doc_id=6000000173393640851 & Eidio 1; https://www.geni.com/documents/view?doc_id=6000000173390930821 (Steven Ferry, April 8, 2024.)