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

Iorwerth was born in Aberffraw Castle, Caernarvonshire, Wales.  Iorwerth's father was Owain ap Gwynedd and his mother was Gwladus verch Llywarch. He had two brothers named Dafydd ab Owain and Rhodri ab Owain.  He died about 1184.


Iorwerth's family with Margred verch Madog

They had a son named Llewelyn ap.

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