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Male Prince of Gwynedd Iowerth Drwyndwn ap Owain (Prince of North Wales) Click to view Prince of Gwynedd Iowerth Drwyndwn ap Owain in the family tree

Iowerth was born in 1129 in Aberffraw Castle, Anglsy, Wales.1   Iowerth's father was Prince of Gwynedd Owain ap Gruffydd and his mother was Gwladus verch Llywarch.  His paternal grandparents were King of Gwynedd Gruffydd ap Cynan and Angharad verch Owain; his maternal grandparents were Llywarch ap Trahaearn and Dyddgu verch Iowerth. He had five brothers and three sisters, named Owain, Dafydd, Maelgwyn, Rhodri, Cynan, Margred, Gwenllian and Angarad.  He was the third oldest of the nine children. He had a half-sister named Angharad.  He died at the age of 47 in 1176 in Aberffraw Castle, Anglsy, Wales.2 

Family Details of Iowerth's family with Marared verch Madog


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