Nielsen Hayden genealogy
Ancestors of Oliver II Deincourt
┌── John I Deincourt ( - 6 Nov 1183)
┌── Oliver I Deincourt (Abt 1161 Blankney, Sleaford, Lincolnshire, England - Bef 1202)
│ │ ┌── Ralph Murdac (of Broughton, Oxfordshire, England - Aft 1166) =>
│ └── Alice Murdac
│ └── Beatrice de Chesney =>
│
└── Amabel