Nielsen Hayden genealogy
Descendants of Jane Bigod
Father: Roger I le Bigod (Abt 1045 - 8 Sep 1107 Earsham, Norfolk, England)
Mother: Adeliza de Tosny ( - Aft 1136)
Jane Bigod
   └─ Roger fitz Richard (of Warkworth, Northumberland, England - Bef 31 Dec 1177)
    Alice de Vere (Bef 1141 - Aft 1185)(m. Aft 1144)
       ├─ Robert fitz Roger (of Clavering, Essex, England - 1212)
       │ Margaret de Chesney (of Horsford, Norfolk, England - 1230)
       │    ├─ Alice fitz Robert (of Warkworth, Northumberland, England - Bef 12 Apr 1225) =>
       │    │ + Peter fitz Herbert (Bef 1183 of Brecknock, Breconshire, Wales -
       │    │ Bef 6 Jun 1235 bur.Reading, Berkshire, England)(m. Aft 28 Nov 1203)
       │    │ Bef 6 Jun 1235 bur.Reading, Berkshire, England)(m. Aft 28 Nov 1203)
       │    └─ John fitz Robert (of Warkworth, Northumberland, England - 1240) =>
       │     + Ada de Balliol ( - 29 Jul 1251 Stokesley, Yorkshire, England)
       └─ Alice fitz Roger ( - Aft 1190)
        John fitz Richard (Abt 1145 of Halton, Runcorn, Cheshire, England - 1190 Acre, Palestine)
           │ + Peter de Brus (of Skelton, Yorkshire, England - 1222)
           └─ Roger de Lacy (Abt 1165 of Halton, Runcorn, Cheshire, England -
            1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England) =>
            1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England) =>
            + Maud de Clare ( - 1213)