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Male Dafydd ap Llywelyn Fawr Prince of Gwynedd Click to view Dafydd ap Llywelyn Fawr Prince of Gwynedd in the family tree

Dafydd ap Llywelyn Fawr was born in November 1208 in Gwynedd, Wales.  Dafydd ap Llywelyn Fawr's father was Llywelyn Fawr ap Iorwerth Prince of Wales and his mother was Joanna of England.  His maternal grandparents were John Lackland Plantagenet King of England and Agatha de Ferrers. He had a brother and three sisters, named Tegwared-y-Bais Wen, Angharad, Elen (Helena) and Marared Drwyndon. He had a half-brother and two half-sisters, named Gruffydd ap Llywelyn Fawr, Gwladus Ddu "the Dark and Gwenllian.  He died in Aberconwy, Arllechwedd Uchaf, Caernarvonshire, Wales.


Dafydd ap Llywelyn Fawr's family with Isabela de Braose

‌Dafydd ap Llywelyn Fawr and Isabela were married in a religious ceremony about 1238.

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