Nielsen Hayden genealogy
Descendants of William de Seymour
- 1391Father: Roger de Seymour (of Undy, Monmouthshire, Wales - Between 1359 and 29 Jan 1366)
Mother: Cecily de Beauchamp (Between 1321 and 1331 - 7 Jun 1394)
William de Seymour (of Hatch Beauchamp, Taunton, Somerset, England - 25 Aug 1391)
   └─ Roger Seymour (3 Jul 1370 of Hatch Beauchamp, Taunton, Somerset, England - 1420)
    Maud Esturmy ( - Bef 1427)
       └─ John Seymour (of Hatch Beauchamp, Taunton, Somerset, England - 20 Dec 1464)
        Isabel William ( - 14 Apr 1485)(m. 30 Jul 1424)
           └─ Humphrey Seymour (of Wendlebury, Oxfordshire, England - Aft 1508) =>
            + Elizabeth Winslow ( - Bef 1515)