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Male Sir Knight John FitzWilliam Click to view Sir Knight John FitzWilliam in the family tree

John was born about 1300 in Sprotbrough, Yorkshire, England.  John's father was Sir Knight William FitzWilliam and his mother was Maud Deincourt.  His paternal grandfather was Sir Knight William FitzThomas and his paternal grandmother is Alice de Meetham; his maternal grandfather was Viscount Edmond Deincourt and his maternal grandmother is Isabel de Mohun.  He was an only child.  He died on August 10th, 1349.


John's family with Joan de Reresby

‌John and Joan were married in a religious ceremony in Yorkshire, England.  They had two daughters named Joan and Joan.

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