Nielsen Hayden genealogy
Ancestors of John Fitzwilliam
- 1349 ┌── Thomas fitz William (Between 1195 and 1200 of Sprotborough, Yorkshire, England -
│ Bef 17 Oct 1264) =>
│ Bef 17 Oct 1264) =>
┌── William fitz Thomas (of Sprotborough, Yorkshire, England - Bef 1295)
│ └── Agnes Bertram ( - Aft 1266) =>
│
┌── William fitz William (of Sprotborough, Yorkshire, England -
│ Between 4 Mar 1339 and 1342 bur.Sprotborough, Yorkshire, England)
│ Between 4 Mar 1339 and 1342 bur.Sprotborough, Yorkshire, England)
│ │
│ │ ┌── Richard de Grey (Bef 1200 of Codnor, Derbyshire, England - Bef 5 Sep 1271)
│ │ │ (m. Bef 19 Jun 1223)
│ └── Agnes de Grey
│ └── Lucy du Hommet (m. Bef 19 Jun 1223) =>
│
John Fitzwilliam (of Sprotborough, Yorkshire, England - 10 Aug 1349)
│
│ ┌── John Deincourt (of Blankney, Sleaford, Lincolnshire, England - Bef 14 Oct 1257)
│ │ (m. Aft 1244) =>
│ ┌── Edmund Deincourt (of Blankney, Sleaford, Lincolnshire, England - 6 Jan 1327)
│ │ └── Agnes de Neville (of Raby, Durham, England - Bef 20 Jul 1293)(m. Aft 1244) =>
│ │
└── Isabel Deincourt ( - Aft 26 Jul 1348 bur.Sprotborough, Yorkshire, England)