Nielsen Hayden genealogy
Descendants of John Marmion
- Bef 1322Father: William Marmion (of Quinton, Gloucestershire, England - Bef 1277)
Mother: Lora de Douvres
John Marmion (of Quinton, Gloucestershire, England - Bef 7 May 1322)
Isabel ( - 1314)
   └─ John Marmion (Abt 1292 of West Tanfield, Yorkshire, England - 30 Apr 1335)
    Maud de Furnival ( - Aft 1347)(m. Abt 4 Jul 1306)
       ├─ Avice Marmion ( - Aft 20 Mar 1379)
       │ John de Grey (9 Oct 1300 - 1 Sep 1359 Rotherfield, Oxfordshire, England)(m. Bef 1341)
       │    ├─ Maud de Grey (of Little Linford, Oxfordshire, England -
       │    │ 1391 bur.Stanton Harcourt, Oxfordshire, England) =>
       │    │ 1391 bur.Stanton Harcourt, Oxfordshire, England) =>
       │    │ + Thomas Harcourt (Abt 1342 of Stanton Harcourt, Oxfordshire, England - 12 Apr 1417)
       │    │ (m. Bef 29 Sep 1373)
       │    │ (m. Bef 29 Sep 1373)
       │    └─ Robert de Grey (of Wilcote, Oxfordshire, England - 19 Aug 1367) =>
       │     + Lora de St. Quintin (Abt 1342 - 1369)(m. Aft 26 Jul 1351)
       └─ Joan Marmion ( - Aft 15 Aug 1346)
        John de Bernake (Abt 1305 of Buckenham, Norfolk, England - 20 Mar 1346 bur.Hethersett, Norfolk, England)
           └─ Maud de Bernake (Between 1335 and 1338 - 10 Apr 1419) =>
            + Ralph de Cromwell (of Cromwell, Southwell, Nottinghamshire, England - 27 Aug 1398)
            (m. Bef 20 Jan 1352)
            (m. Bef 20 Jan 1352)