Nielsen Hayden genealogy
Descendants of Thomas de Grey
- Bef 1295Father: Robert de Grey (of Rotherfield, Oxfordshire, England - Bef 27 May 1295)
Mother: Joan de Valoines ( - Bef 12 Nov 1312)
Thomas de Grey ( - Bef 27 May 1295)
   └─ Johane de Grey
    Guy le Breton ( - Aft 1346)
       └─ Katherine Breton ( - 6 Jun 1342 bur.Thame, Oxfordshire, England)
        Thomas Quatermayne (of North Weston, Oxfordshire, England - 6 Jun 1342 bur.Thame, Oxfordshire, England)
           └─ Thomas Quatermayne (of Great Milton, Oxfordshire, England -
            6 May 1398 bur.Thame, Oxfordshire, England) =>
            6 May 1398 bur.Thame, Oxfordshire, England) =>
            + Joan Russell ( - Aft 1414)(m. 1377)