Nielsen Hayden genealogy
Descendants of John de Grey
1329 - 1375 (~ 56 years)Father: John de Grey (9 Oct 1300 - 1 Sep 1359 Rotherfield, Oxfordshire, England)
Mother: Katherine Fitz Alan (Abt 1300 - Bef 1340 bur.Black Friars, York, Yorkshire, England)
John de Grey (Between 1319 and 1329 of Rotherfield, Oxfordshire, England - 4 Jun 1375)
Maud ( - 23 Jan 1387)
   └─ Juliane Grey ( - 25 Aug 1407)
    Edmund Missenden (Abt 1355 of Missenden, Buckinghamshire, England - 12 Oct 1394)(m. Bef 7 Jun 1369)
       └─ Bernard Missenden (1386 of Quainton, Buckinghamshire, England -
        Bef 29 Aug 1409 bur.Buckingham, Buckinghamshire, England)
        Bef 29 Aug 1409 bur.Buckingham, Buckinghamshire, England)
        Isabel Frome (Abt 1382 - 4 Sep 1442)
           └─ Katherine Missenden (1408 - 10 Jul 1436 bur.Missenden Abbey, Buckinghamshire, England) =>
            + John Iwardby (of Swanbourne, Buckinghamshire, England -
            16 Aug 1470 bur.Mapledurham, Oxfordshire, England)(m. Bef Feb 1421)
            16 Aug 1470 bur.Mapledurham, Oxfordshire, England)(m. Bef Feb 1421)