Family: Llywarch ap Trahaearn / Dyddgu ferch Iorwerth (F5235)
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Male
Llywarch ap Trahaearn
Birth 1070 Powys, Wales 
Death Aft 1124 Yorkshire, England Burial Marriage Father Trahaearn ap Caradog | F5234 Group Sheet Mother Nest ferch Gruffudd | F5234 Group Sheet
Female
Dyddgu ferch Iorwerth
Birth 1060 Yorkshire, England Death 1124 Burial Father Lord of Cedewain Iorwerth ap Cadwgon | F5221 Group Sheet Mother
Female
+ Gwladys ferch Llywarch
Birth 1098 Yorkshire, England Death 1155 Yorkshire, England Burial Spouse King of Gwynedd Owain ap Gruffydd | F5286 Marriage