Nielsen Hayden genealogy
Family: Richard I Bertram / Menebell Gisulph (F2062)
William I Bertram ( -1135) 
|
Roger Bertram ( -1177)  |
| Richard I Bertram ( -1175)
|
Menebell Gisulph ( -1177)
|
| Aline Bertram ( -1199) |
| Robert Bertram (1158-1203) |