Nielsen Hayden genealogy
Descendants of Geoffrey de Cornwall
- Bef 1335Father: Richard de Cornwall (of Asthall, Oxfordshire, England - 1296 Berwick, Northumberland, England)
Mother: Joan ( - Aft 10 Oct 1321 bur.Asthall, Oxfordshire, England)
Geoffrey de Cornwall (of Burford, Shropshire, England - Bef 1 Jun 1335)
Margaret de Mortimer (Abt 14 Sep 1295 - Bef 25 Dec 1345)(m. Bef 1308)
   └─ Richard de Cornwall (of Burford, Shropshire, England - 6 Oct 1343)
    Sybil de Bodrugan ( - 23 May 1349)(m. Bef 1328)
       └─ Geoffrey de Cornwall (Between 1335 and 1336 of Burford, Shropshire, England - 18 May 1365)
        Cecily ( - 26 Jul 1369)(m. Bef 1355)
           └─ Richard Cornwall (Abt 1359 of Burford, Shropshire, England - 1443) =>
            + Cecily Seymour (Between 1355 and 1360 - ??)(m. Bef 1402)