New France Genealogy
Montjoie Saint Denis!
Family: ap Trahaiarn, Llywarch / verch Idnerth, Dyddgu (F10260)
ap Caradawg, Trahaiarn (1044-1080) 
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| ap Cadwgan, Idnerth (1020- )
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verch Aaron, Gwenllian (1026- )
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| ap Trahaiarn, Llywarch (1070-1128)
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| verch Idnerth, Dyddgu (1060- )
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verch Llywarch, Gwladys (1098- )  |