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Male William (Sir) FITZWILLIAM Click to view William (Sir) FITZWILLIAM in the family tree

William (Sir) was born about 1261 in Sproatsborough, Yorkshire, England.  William (Sir)'s father was William (Sir) FITZWILLIAM and his mother was Agnes de METHAM.  His paternal grandparents were Thomas (Sir) FITZWILLIAM and Agnes de BERTRAM; his maternal grandparents were John (Sir) METHAM and Sibyl HAMILTON.  He was an only child.


William (Sir)'s family with Isabel DEINCOURT

They had a daughter named Elizabeth.