Nielsen Hayden genealogy
Efa ferch Bleddyn ap Cynfyn
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Name Efa ferch Bleddyn ap Cynfyn [1] Gender Female Person ID I29536 Ancestry of PNH, TNH, and others | Ancestor of TWK Last Modified 12 Aug 2020
Father Bleddyn ap Cynfyn, King of Gwynedd & Powys d. 1075 Mother (Unknown wife of Bleddyn ap Cynfyn) Family ID F17614 Group Sheet | Family Chart
Family Llywelyn Eurdorchog ap Coel ap Gweirydd, b. Abt 1030 Children + 1. Rhys ap Llywelyn Eurdorchog Family ID F17613 Group Sheet | Family Chart Last Modified 12 Aug 2020
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Sources - [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.
- [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.