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Male Pr. Iorwerth Drwymdwn ap Owain Click to view Pr. Iorwerth Drwymdwn ap Owain in the family tree

Iorwerth Drwymdwn ap Owain was born about 1130 in Abberffraw, Anglesey, Wales.  Iorwerth Drwymdwn ap Owain's father was King Owain ap Gruffudd of Gwynedd and his mother was Gwladys verch Llywarch of N Wales.  His paternal grandparents were King Gruffudd ap Cynan of Gwynedd and Angharad verch Owain; his maternal grandparents were Llywarch ap Trahern of N Wales and Dyddgu verch Idnerth.  He was an only child.  He died about 1184 in Pennant Mehangell.


Iorwerth Drwymdwn ap Owain's family with Maret verch Madoc of Powys-Vadoc

They had a son named The Great.

1 Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ 29a-27

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