Nielsen Hayden genealogy
Descendants of Beatrix de Harcourt
Father: Anschetil de Harcourt (Abt 1085 of Leicestershire, England - ??)
Mother: Agnes
Beatrix de Harcourt
Robert Basset (of Rushton, Kettering, Northamptonshire, England - 1166)
   └─ (Unknown) Basset
    John de Grey (of Standlake, Oxfordshire, England - 1192)
       └─ Eve de Grey (of Standlake, Oxfordshire, England - 1242)
        Ralph Murdac (of Broughton, Oxfordshire, England - Abt 1196)
        :    + Alan de Bokland (of Egg Buckland, Devon, England - Bef Oct 1237)
        Andrew de Beauchamp (of Thenford, Northamptonshire, England - Aft 1213)(m. Bef 1198)
            + Ernald du Bois (Aft 1185 of Assington, Suffolk, England - Abt 1254)(m. Bef 1246)