Nielsen Hayden genealogy
Ancestors of William Willoughby
Abt 1370 - 1409 (~ 39 years) ┌── John de Willoughby (6 Jan 1304 - 13 Jun 1349 bur.Spilsby, Lincolnshire, England)
│ (m. Bef 2 Jul 1323) =>
┌── John de Willoughby (Bef 6 Jan 1329 of Eresby, Lincolnshire, England -
│ 29 Mar 1372 bur.Spilsby, Lincolnshire, England)(m. Bef 18 Aug 1337)
│ 29 Mar 1372 bur.Spilsby, Lincolnshire, England)(m. Bef 18 Aug 1337)
│ └── Joan Roscelyn ( - Aft 15 Oct 1354)(m. Bef 2 Jul 1323) =>
│
┌── Robert de Willoughby (Between 1348 and 1350 of Eresby, Lincolnshire, England -
│ 9 Aug 1396 bur.Spilsby, Lincolnshire, England)(m. Bef 1 Oct 1369)
│ 9 Aug 1396 bur.Spilsby, Lincolnshire, England)(m. Bef 1 Oct 1369)
│ │
│ │ ┌── Robert de Ufford (9 Aug 1298 - 4 Nov 1369)(m. Between 2 Jul 1324 and 13 Nov 1324) =>
│ └── Cecily de Ufford ( - Bef 29 Mar 1372)(m. Bef 18 Aug 1337)
│ └── Margaret de Norwich ( - 2 Apr 1368 bur.Campsey, Suffolk, England)
│ (m. Between 2 Jul 1324 and 13 Nov 1324) =>
│
William Willoughby (Abt 1370 of Eresby, Lincolnshire, England - 4 Dec 1409 Edgefield, Norfolk, England)
│
│ ┌── Eudes la Zouche (Abt 1298 of Harringworth, Northamptonshire, England -
│ │ 24 Apr 1326 Paris, France)(m. Bef Jun 1322) =>
│ │ 24 Apr 1326 Paris, France)(m. Bef Jun 1322) =>
│ ┌── William la Zouche (1321 of Harringworth, Northamptonshire, England -
│ │ 23 Apr 1382 bur.Biddlesden Abbey, Buckinghamshire, England)(m. Bef 16 Jul 1334)
│ │ 23 Apr 1382 bur.Biddlesden Abbey, Buckinghamshire, England)(m. Bef 16 Jul 1334)
│ │
└── Margery la Zouche ( - 18 Oct 1391 bur.Spilsby, Lincolnshire, England)(m. Bef 1 Oct 1369)
│
│ ┌── William IV de Ros (Abt 1288 of Helmsley, Yorkshire, England -
│ │ 3 Feb 1343 bur.Kirkham Priory, Yorkshire, England)(m. Bef 25 Nov 1316) =>
│ │ 3 Feb 1343 bur.Kirkham Priory, Yorkshire, England)(m. Bef 25 Nov 1316) =>
└── Elizabeth de Roos ( - 24 May 1380)(m. Bef 16 Jul 1334)
└── Margery de Badlesmere (Abt 1306 - 18 Oct 1363)(m. Bef 25 Nov 1316) =>