Nielsen Hayden genealogy
William fitz Thomas
- Bef 1295( = Descendancy chart to this point, = Expand, = Collapse)
- 1 William fitz Thomas [1] d. Bef 1295
- Agnes de Grey
- 2 William fitz William [1.1] d. Between 4 Mar 1339 and 1342
- Isabel Deincourt d. Aft 26 Jul 1348
- 3 John Fitzwilliam [1.1.1] d. 10 Aug 1349
- Joan Reresby
- 4 John Fitzwilliam [1.1.1.1] b. Abt Feb 1328 d. Bef 19 Feb 1385 [ =>]
- Joan Reresby
- 3 Agnes Fitzwilliam [1.1.2]
- Adam de Newmarch d. Between 1344 and 1352
- 4 Robert de Newmarch [1.1.2.1] b. Abt 1344 [ =>]
- Adam de Newmarch d. Between 1344 and 1352
- 3 John Fitzwilliam [1.1.1] d. 10 Aug 1349
- Isabel Deincourt d. Aft 26 Jul 1348
- 2 William fitz William [1.1] d. Between 4 Mar 1339 and 1342
- Agnes de Grey