Nielsen Hayden genealogy
Descendants of Robert d'Oilly
- 1157Father: Nigel d'Oilly (of Hook Norton, Oxfordshire, England - 1112)
Mother: Agnes
Robert d'Oilly ( - 1157)
Edith Forne ( - 1152)
   └─ Edith d'Oilly
    Gilbert Basset (of Bicester, Oxfordshire, England - 1154)
       └─ Thomas Basset (of Headington, Oxfordshire, England - Abt 1182)
        Alice de Dunstanville (of Shiplake, Oxfordshire, England - Aft 1181)
           ├─ Isabel Basset (of Headington, Oxfordshire, England - ??) =>
           │ + Guy II de Craon (of Frieston, Lincolnshire, England - Abt 1205)
           ├─ Gilbert Basset (of Bicester, Oxfordshire, England - 1205) =>
           │ + Egeline de Courtenay ( - 1214)
           ├─ Alan Basset (of Wycombe, Buckinghamshire, England - Bef 2 Nov 1232) =>
           │ + Aline de Gay (of Wootton Bassett, Wiltshire, England - 1230)
           └─ Thomas Basset (of Headington, Oxfordshire, England - Bef 1 May 1220) =>
            + Philippe Malbank