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

Iorwerth Drwyndwn was born about 1129 in Aberffraw Castle, Anglsy, Wales.  Iorwerth Drwyndwn's father was Owain Gwynedd ap Gruffudd , King of Gwynedd and his mother was Gwladus verch Llywarch.  His paternal grandparents were King Gruffudd ap Cynan and Angharad Verch Owain; his maternal grandparents were Llywarch ap Trahaearn and Dyddgu verch Iorwerth.  He was an only child.  He died about 1174.1 


Iorwerth Drwyndwn's family with Marared verch Madog

‌Iorwerth Drwyndwn and Marared verch were married in a religious ceremony about 1163.  They had a son named The Great.

1 Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ 176-6
2 Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ 29a-27

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