Nielsen Hayden genealogy
Family: Llywelyn Eurdorchog ap Coel ap Gweirydd / Efa ferch Bleddyn ap Cynfyn (F17613)
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Female
Efa ferch Bleddyn ap Cynfyn
Birth Death Burial Father Bleddyn ap Cynfyn, King of Gwynedd & Powys | F17614 Group Sheet Mother (Unknown wife of Bleddyn ap Cynfyn) | F17614 Group Sheet