Nielsen Hayden genealogy
Ancestors of Oliver I Deincourt
Abt 1161 - Bef 1202 (~ 40 years) ┌── Walter Deincourt (of Blankney, Sleaford, Lincolnshire, England - Between 1088 and 1103)
┌── Ralph Deincourt
│ └── Matilda
│
│ └── Basilie
│
┌── John I Deincourt ( - 6 Nov 1183)
Oliver I Deincourt (Abt 1161 Blankney, Sleaford, Lincolnshire, England - Bef 1202)
│
│ ┌── Meurdrac (of la Meurdraquière, Cotentin, Normandy, France - ??)
│ ┌── Richard fitz Meurdrac (of la Meurdraquière, Cotentin, Normandy, France - Aft 1113)
│ ┌── Ralph Murdac ( - Aft 1130)
│ ┌── Ralph Murdac (of Broughton, Oxfordshire, England - Aft 1166)
└── Alice Murdac
│
│ ┌── Ralph I de Chesney (of La Quesnay, Normandy, France - 1086)
│ ┌── Roger de Chesney (of Grafham, Oxfordshire, England - Abt 1109)
│ │ │
│ │ │ ┌── William de Watville ( - Abt 1085)
│ │ └── Maud de Watville
│ │
│
│ ┌── Ralph I de Langetot (of Lanquetot, LeHavre, Normandy, France - Aft 1085)
└── Alice de Langetot ( - Aft 1148)