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Male William De Warren Sir Click to view William De Warren Sir in the family tree

William was born about 1260 in Warren, , Sussex, England.  William's father was John Plantagenet Of Warren And Su Earl and his mother was Alice De Lusignan.  His paternal grandparents were William Plantagenet Of Warren And Su Earl and Maud Marshall; his maternal grandparents were Hugues X De Lusignan and Isabella Of Angouleme Heiress. He had a sister named Eleanor.  He was the younger of the two children.  He died on December 12th, 1285 in Croyden, , Surrey, England.  He was buried in 1285.


William's family with Joan De Vere

‌William and Joan were married in a religious ceremony in 1283.  They had a daughter named Alice.

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