Nielsen Hayden genealogy
William de Willoughby
- 1300( = Descendancy chart to this point, = Expand, = Collapse)
- 1 William de Willoughby [1] d. Between Sep 1290 and 29 Mar 1300
- Alice Beke d. Bef May 1311
- 2 Robert de Willoughby [1.1] b. Between 1250 and 1260 d. Bef 25 Mar 1317
- Margaret Deincourt d. Bef 18 Oct 1333
- 3 John de Willoughby [1.1.1] b. 6 Jan 1304 d. 13 Jun 1349
- Joan Roscelyn d. Aft 15 Oct 1354
- 4 John de Willoughby [1.1.1.1] b. Bef 6 Jan 1329 d. 29 Mar 1372 [ =>]
- Joan Roscelyn d. Aft 15 Oct 1354
- 3 John de Willoughby [1.1.1] b. 6 Jan 1304 d. 13 Jun 1349
- Margaret Deincourt d. Bef 18 Oct 1333
- 2 Robert de Willoughby [1.1] b. Between 1250 and 1260 d. Bef 25 Mar 1317
- Alice Beke d. Bef May 1311