Nielsen Hayden genealogy
Descendants of Simon
Father: Peter (of Brixworth, Northamptonshire, England - ??)
Simon (of Brixworth, Northamptonshire, England - ??)
   └─ Simon Fitz Simon
    (Unknown) de Fresnoy
       └─ Simon Fitz Simon ( - Bef 1235)
        Beatrice of Brixworth
           └─ Simon Fitz Simon (of Brixworth, Northamptonshire, England - 1280) =>
            + Maud de Ralee