Abt 1264-1335
| Baron of Grandison William De Grandison | |
| B: | Abt 1255-1264 |
| Cassington, Oxfordshire, England, United Kingdom | |
| D: | 27 Jun 1335 |
| Cassington, Oxfordshire, England, United Kingdom | |
1271-1334
| Sybil Tregoz | |
| B: | 1271 |
| Ewyas Harold, Herefordshire, England, United Kingdom | |
| M: | Abt 1286 |
| Donyatt, Somerset, England, United Kingdom | |
| D: | 12 Oct 1334 |
1229-1300
| Sire Amadeus De Grandison | |
| B: | 1229 |
| Neuchatel, , , Switzerland | |
| D: | 1300 |
Abt 1231-Yes, date unknown
| Banoile De La Tour | |
| B: | Abt 1231 |
| Neuchatel, , , Switzerland | |
| M: | Abt 1251 |
| Neuchatel, , , Switzerland | |
| D: | Yes, date unknown |
Abt 1190-Abt 1257
| Pierre De Grandison | |
| B: | Abt 1190 |
| Neuchatel, , , Switzerland | |
| D: | Abt 29 Dec 1257 |
Abt 1194-Yes, date unknown
| Agnes De Neuchatel | |
| B: | Abt 1194 |
| Neuchatel, , , Switzerland | |
| M: | Abt 1214 |
| Neuchatel, , , Switzerland | |
| D: | Yes, date unknown |
|
Abt 1154-Aft 1235
| Beatrix De Geneva | |
| B: | Abt 1154 |
| Geneva, , Geneve, Switzerland | |
| D: | Aft 1235 |
Abt 1154-Aft 1235
| Sire Ebal De Grandison, IV | |
| B: | Abt 1154 |
| Grandson, , , Switzerland | |
| M: | Abt 1174 |
| Geneva, , Geneve, Switzerland | |
| D: | Aft 26 Jan 1235 |