Nielsen Hayden genealogy
Descendants of Joan Mowbray
- Aft 1407Father: John Mowbray (25 Jun 1340 Epworth, Lincolnshire, England - 17 Jun 1368 Thrace, near Constantinople)
Mother: Elizabeth de Segrave (25 Oct 1338 Croxton Abbey, Melton Mobray, Leicestershire, England - Between 1364 and 1368)
Joan Mowbray ( - Aft 1407)
Thomas III Gray (Abt 1359 of Heaton, Wark-on-Tweed, Northumberland, England - 26 Nov 1400)(m. Bef 1384)
   ├─ Maud Gray (of Heaton Castle, Wark-on-Tweed, Northumberland, England - Aft 22 Aug 1451)
   │ Robert Ogle (Abt 1379 - 12 Aug 1436)(m. Abt 21 May 1399)
   │    └─ Elizabeth Ogle
   │     William Heron (Abt Oct 1400 of Ford, Glendale, Northumberland, England - 1 Sep 1425)(m. 13 Jan 1412)
   │         + John Heron (Abt 1418 of Ford, Glendale, Northumberland, England -
   │         29 Mar 1461 Towton, Yorkshire, England)(m. Aft 11 Jul 1438)
   │         29 Mar 1461 Towton, Yorkshire, England)(m. Aft 11 Jul 1438)
   └─ Thomas Gray (30 Nov 1384 - 2 Aug 1415 Southampton, Hampshire, England)