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Male John (Sir Knight) Fitzwilliam Click to view John (Sir Knight) Fitzwilliam in the family tree

John (Sir Knight) was born in Sprotborough, England.  John (Sir Knight)'s father is William Fitzwilliam and his mother is Isabel Deincourt.  His paternal grandfather is William Fitzthomas. He had a brother named William.  He died on August 10th, 1349.


John (Sir Knight)'s family with Joan de Reresby

‌John (Sir Knight) and Joan were married in a religious ceremony in England.  They had two sons and a daughter, named John, William and Joan.

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