John was born about 1298, the son of sir William FitzWilliam and Isabel Deincourt. The place is not known.
He died on 10 AUG 1349. The place is not known.
His wife was Joan de Reresby. They were married, but the date and place have not been found. Their only known child was sir John (c1328-c1385).
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John FitzWilliam |
sir William FitzWilliam |
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Agnes de Grey |
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Isabel Deincourt |
sir Edmund Deincourt |
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Isabel de Mohun |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | ABT 1298 |
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| Death | 10 AUG 1349 |
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