New France Genealogy
Montjoie Saint Denis!
Family: ap Goronwy, Edwyn / Cynvyn, Gwerydd verch (F9991)
ap Gwyrstan, Cynvyn (978- ) 
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verch Maredydd, Angharad (982- )
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ap Cynvyn, Bleddyn (1025-1072)  |
| Cynvyn, Gwerydd verch (1024- )
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| ap Goronwy, Edwyn (1014- ) |
| ap Edwyn, Owain (1044-1103) |