Nielsen Hayden genealogy
Descendants of Roger de Montbegon
- Bef 1209Father: Adam de Montbegon (of Hornsby, Lancashire, England - Bef 1172)
Mother: Maud Fitz Swain
Roger de Montbegon ( - Bef 1209)
   ├─ Roger de Montbegon ( - 30 Mar 1225)
   └─ Cecilia de Montbegon (of Hornsby, Lancashire, England - Abt 1202)
    William de Radcliffe (Bef 1169 of Radcliffe, Lancashire, England - 1220)
       └─ Adam de Radcliffe ( - Aft 1245)
        (Unknown daughter of Alan de Curwen)
           └─ Robert de Radcliffe (of Radcliffe, Lancashire, England - 1290) =>
            + Amabel de Trafford (of Trafford, Lancashire, England - ??)