Nielsen Hayden genealogy
William fitz William
- 1342(
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- 1 William fitz William [1] d. Between 4 Mar 1339 and 1342
- Isabel Deincourt d. Aft 26 Jul 1348
- 2 John Fitzwilliam [1.1] d. 10 Aug 1349
- Joan Reresby
- 3 John Fitzwilliam [1.1.1] b. Abt Feb 1328 d. Bef 19 Feb 1385
- Elizabeth de Clinton d. Aft 1399
- 4 William Fitzwilliam [1.1.1.1] d. 8 Apr 1398
[ =>]
- 4 William Fitzwilliam [1.1.1.1]
- 3 John Fitzwilliam [1.1.1]
- 2 Agnes Fitzwilliam [1.2]
- Adam de Newmarch d. Between 1344 and 1352
- 3 Robert de Newmarch [1.2.1] b. Abt 1344
- Emma
- 4 Ralph Newmarch [1.2.1.1] d. Aft 20 Jul 1403
[ =>]
- 4 Ralph Newmarch [1.2.1.1]
- 3 Robert de Newmarch [1.2.1]
- 2 John Fitzwilliam [1.1]