Nielsen Hayden genealogy
Ancestors of Thomas Basset
- Bef 1220 ┌── (Unknown) Basset
┌── Gilbert Basset (of Bicester, Oxfordshire, England - 1154)
┌── Thomas Basset (of Headington, Oxfordshire, England - Abt 1182)
│ │ ┌── Nigel d'Oilly (of Hook Norton, Oxfordshire, England - 1112)
│ │ ┌── Robert d'Oilly ( - 1157)
│ │ │ └── Agnes
│ │ │
│ └── Edith d'Oilly
│ │
│ │ ┌── Sigulf
│ │ ┌── Forne (of Greystoke, Cumberland, England - Between 1129 and 1130)
│ └── Edith Forne ( - 1152)
│
Thomas Basset (of Headington, Oxfordshire, England - Bef 1 May 1220)
│
│ ┌── Alan de Dunstanville ( - Aft 1141)
└── Alice de Dunstanville (of Shiplake, Oxfordshire, England - Aft 1181)