Nielsen Hayden genealogy
Descendants of Gerald de Hamelton
Father: Richard de Hamelton (of Hamilton, Leicestershire, England - Bef 1246)
Mother: Juliana ( - Aft 1246)
Gerald de Hamelton (of Barkeby, Leicestershire, England - ??)
   └─ Maud de Hamelton (of Barkeby, Leicestershire, England - Aft 1243)
    Roger de Somerville (of Stockton, Warwickshire, England - Abt 1201)
       ├─ Margaret de Somerville ( - Bef 1244)
       │ Geoffrey de Gresley ( - Aft 1240)(m. Bef 29 Mar 1220)
       │     + Elizabeth Bakepuiz (of Barton Bakepuiz, Derbyshire, England - Aft 1269)(m. Bef 1245)
       └─ Roger de Somerville (of Wichnor, Warwickshire, England - Between 1243 and 1245)
        Isabella ( - Aft 1248)
           └─ Roger de Somerville (of Cossington, Leicestershire, England - Bef 1307) =>
            + Maud de Hamilton ( - 1316)