Nielsen Hayden genealogy
Family: Robert Bertram / Mabel de Clere (F4858)
Richard I Bertram ( -1175) 
|
Menebell Gisulph ( -1177)
|
Aline Bertram ( -1199)  |
| Mabel de Clere ( -1230) |
| Robert Bertram (1158-1203)
|
| Richard Bertram (1183-1238) |