Nielsen Hayden genealogy
Descendants of Joyce Martival
Joyce Martival
Robert Sadyngton ( - Aft 25 Apr 1361)(m. Bef 1334)
   └─ Isabel de Saddington ( - Bef 1379)
    Ralph de Hastings (Abt 1322 of Slingsby, Yorkshire, England -
    21 Oct 1397 bur.Sulby Abbey, Northamptonshire, England)
    21 Oct 1397 bur.Sulby Abbey, Northamptonshire, England)
       └─ Margaret Hastings ( - 7 Apr 1406 Noseley, Leicestershire, England)
        Roger Heron (of Croydon, Cambridgeshire, England - Bef 1400)
           └─ William Heron (of Ford, Glendale, Northumberland, England - 10 Nov 1400) =>
            + Isabel Scot (Abt 1375 of Newcastle-upon-Tyne, Northumberland, England - Bef 20 Aug 1422)