Nielsen Hayden genealogy
Descendants of Bertram de Bulmer
- 1166Father: Ansketil de Bulmer ( - Abt 1129)
Mother: (Unknown) de Humez
Bertram de Bulmer ( - 1166)
   └─ Emma de Bulmer ( - Abt 1208)
    Geoffrey de Neville (Bef 1140 - Bef 29 Sep 1193)(m. Bef 29 Sep 1176)
       └─ Isabel de Neville ( - May 1254)
        Robert fitz Maldred (Abt 1170 of Raby, Durham, England - Between 25 Jun 1242 and 26 May 1248)
           └─ Geoffrey de Neville (of Raby, Durham, England - Bef Sep 1242) =>
            + Joan ( - Aft Nov 1247)
            + Margaret