SOURCE-07329Research NeededProbable
Stewart Baldwin, Ancestry of Llywelyn ap Iorwerth, llywarch is in Generation 4, ...
Full citation
Stewart Baldwin, Ancestry of Llywelyn ap Iorwerth, llywarch is in Generation 4, #10. Accessed 1/16/2019 jhd: "Llywarch ap Trahaern, active 1109-1124 [ByT; ABT.2a]"