Nielsen Hayden genealogy
Descendants of Isabel fitz Roy
Father: John, King of England (Abt 27 Dec 1166 Oxford, Oxfordshire, England - 19 Oct 1216 Newark Castle, Newark, Nottinghamshire, England)
Mother: (Unknown mistress of King John)
Isabel fitz Roy
Richard fitz Ives (of Degembris in Newlyn East, Cornwall, England - Bef 29 Sep 1211)
   └─ William fitz Richard (Abt 1205 of Lanisley in Gulival, Cornwall, England - 26 May 1265)
    Rose Bevyle ( - 4 Apr 1291)
       └─ Isabel fitz William ( - 7 Nov 1325)
        Stephen de Beaupré (of Kelynack in St. Just, Cornwall, England - 17 Mar 1309)
           └─ Ralph de Beaupré (of Trenowith-with-Trewithgy in Probus, Cornwall, England - 29 Jun 1329) =>
            + Margaret de Furneaux ( - 8 Aug 1349)