 Thomas Fitzwilliam, son of William Fitzwilliam and Adela Plantagenet.Born 1195 at Sprotbrough, Doncaster, Yorkshire, England, died 1266 at Emley, Wakefield, Yorkshire, England, 70 or 71 years Married at Castle, Mitford, Northumberland, England to:  Agnes BertramBorn 1205 at Mitford Castle, Morpeth, Northumberland, England, died 1244 at ,, , England, 38 or 39 years Children: 2. Margery FitzwilliamBorn 1233 at Aprx, Somerset, England, died 1278 at ,, , England, 44 or 45 years | |||