Nielsen Hayden genealogy
Ancestors of John I Deincourt
- 1183 ┌── Walter Deincourt (of Blankney, Sleaford, Lincolnshire, England - Between 1088 and 1103)
┌── Ralph Deincourt
│ └── Matilda
│
│ └── Basilie
│
John I Deincourt ( - 6 Nov 1183)