Einion ap Richard

Please see Darrel Wolcott: The Family of Trahaearn ap Caradog; http://www.ancientwalesstudies.org/id240.html. (Steven Ferry, August 29, 2020.)

Please see Darrell Wolcott: Madog Danwr, Lord of Llangurig Parish; http://www.ancientwalesstudies.org/id285.html. (Steven Ferry, November 19, 2021.)

Please see Darrell Wolcott: Bleddyn ap Maenyrch, King of Brycheiniog; http://www.ancientwalesstudies.org/id313.html (Steven Ferry, March 2, 2023.)

Please see Darrell Wolcott: Three Conflated Brecknock Families; http://www.ancientwalesstudies.org/id324.html [Fam1: # 1. Fam2: # 2;25. Fam3: # 19;21] (Steven Ferry, October 22, 2024.)