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Male Iorwerth ap Owain Drwyndwn Click to view Iorwerth ap Owain Drwyndwn in the family tree

Iorwerth ap Owain was born in 1130 in Aberffraw, Anglsy, Wales.  Iorwerth ap Owain's father was Owain ap Gruffyd and his mother is Gwladys verch Llywarch.  His paternal grandparents were Gruffydd ap Cynan and Angharad verch Owain; his maternal grandfather was Llywarch ap Trahaiarn and his maternal grandmother is Dyddgu verch Iorweth. He had eight brothers and a sister, named Dafydd ap, Maelgwn ap, Rhirid ap, Cynan ap, Madog ap, Cadell ap, Einion ap, Cynwrig ap and Gwenllian verch.  He was the fourth oldest of the ten children.  He died at the age of 54 in 1184.


Iorwerth ap Owain's family with Margaret Vech Madog

They had a son named Llywelyn Fawr ap.

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