Abt 1112-1158
| Sire of Belmont Barthelemy De Grandison | |
| B: | Abt 1112 |
| La Sarraz, , , Switzerland | |
| D: | 1158 |
| Jerusalem, , Israel | |
Abt 1087-1135
| Ebal De Grandison | |
| B: | Abt 1087 |
| Grandson, , , Switzerland | |
| D: | 4 May 1103-1135 |
Abt 1091-Yes, date unknown
| Adelheid | |
| B: | Abt 1091 |
| Grandson, , , Switzerland | |
| M: | Abt 1111 |
| La Sarraz, , , Switzerland | |
| D: | Yes, date unknown |
Abt 1050-1114
| Falko De Grandison | |
| B: | Abt 1050 |
| La Sarraz, , , Switzerland | |
| D: | 1114 |
Abt 1050-Yes, date unknown
| Adelheid De Roucy | |
| B: | Abt 1050 |
| La Sarraz, , , Switzerland | |
| M: | Abt 1072 |
| Grandson, , , Switzerland | |
| D: | Yes, date unknown |
|
1030-1086
| Adalbert De Grandison | |
| B: | 1030 |
| Neuchatel, , , Switzerland | |
| D: | 1086 |