SOURCE-06827Research NeededProbable
Stewart Baldwin. GEN-MEDIEVAL/soc.genealogy.medieval' Llywelyn ap Iorwerth Ances...
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Stewart Baldwin. GEN-MEDIEVAL/soc.genealogy.medieval' Llywelyn ap Iorwerth Ancestry Table. Owain Gwynedd is in Generation 4, #8. Accessed 1/16/2019 jhd