Nielsen Hayden genealogy
Descendants of Edmund Deincourt
- 1327Father: John Deincourt (of Blankney, Sleaford, Lincolnshire, England - Bef 14 Oct 1257)
Mother: Agnes de Neville (of Raby, Durham, England - Bef 20 Jul 1293)
Edmund Deincourt (of Blankney, Sleaford, Lincolnshire, England - 6 Jan 1327)
   ├─ John Deincourt (of Blankney, Sleaford, Lincolnshire, England - Bef 6 Jan 1326)
   │
   │    └─ William Deincourt (Bef 1300 of Blankney, Sleaford, Lincolnshire, England - 2 Jun 1364)
   │     Millicent la Zouche ( - 22 Jun 1379)(m. Bef 26 Mar 1326)
   │        └─ Margaret Deincourt ( - 2 Apr 1380 Oxendon, Gloucestershire, England) =>
   │         + Robert Tibetot (Bef 11 Jun 1341 Nettlestead, Bosmere, Suffolk, England - 13 Apr 1372)
   │         (m. Bef 5 Jun 1348)
   │         (m. Bef 5 Jun 1348)
   ├─ Isabel Deincourt ( - Aft 26 Jul 1348 bur.Sprotborough, Yorkshire, England)
   │ 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)
   │    ├─ John Fitzwilliam (of Sprotborough, Yorkshire, England - 10 Aug 1349)
   │    │ Joan Reresby
   │    │    └─ John Fitzwilliam (Abt Feb 1328 of Sprotborough, Yorkshire, England -
   │    │     Bef 19 Feb 1385 Howden, Yorkshire, England) =>
   │    │     Bef 19 Feb 1385 Howden, Yorkshire, England) =>
   │    │     + Elizabeth de Clinton ( - Aft 1399)
   │    └─ Agnes Fitzwilliam
   │     Adam de Newmarch (of Womersley, Yorkshire, England - Between 1344 and 1352)
   │        └─ Robert de Newmarch (Abt 1344 of Womersley, Yorkshire, England - ??) =>
   │         + Emma
   └─ Margaret Deincourt ( - Bef 18 Oct 1333)
    Robert de Willoughby (Between 1250 and 1260 - Bef 25 Mar 1317)(m. Bef 1304)
       └─ John de Willoughby (6 Jan 1304 - 13 Jun 1349 bur.Spilsby, Lincolnshire, England)
        Joan Roscelyn ( - Aft 15 Oct 1354)(m. Bef 2 Jul 1323)
           └─ John de Willoughby (Bef 6 Jan 1329 of Eresby, Lincolnshire, England -
            29 Mar 1372 bur.Spilsby, Lincolnshire, England) =>
            29 Mar 1372 bur.Spilsby, Lincolnshire, England) =>
            + Cecily de Ufford ( - Bef 29 Mar 1372)(m. Bef 18 Aug 1337)