Nielsen Hayden genealogy
Descendants of Beatrice de Chesney
Father: Roger de Chesney (of Grafham, Oxfordshire, England - Abt 1109)
Mother: Alice de Langetot ( - Aft 1148)
Beatrice de Chesney
Ralph Murdac (of Broughton, Oxfordshire, England - Aft 1166)
   ├─ Ralph Murdac (of Broughton, Oxfordshire, England - Abt 1196)
   │ Eve de Grey (of Standlake, Oxfordshire, England - 1242)
   │    └─ Alice Murdac ( - Aft 8 Jul 1242)
   │     Alan de Bokland (of Egg Buckland, Devon, England - Bef Oct 1237)
   │         + Osbert Giffard (of Winterbourne Houghton, Dorset, England - Abt 1237)(m. Bef 4 Jan 1226)
   └─ Alice Murdac
    John I Deincourt ( - 6 Nov 1183)
       └─ Oliver I Deincourt (Abt 1161 Blankney, Sleaford, Lincolnshire, England - Bef 1202)
        Amabel
            + Nichole