1275-1301
| Sir Josce de Dinham, of Hartland | |
| B: | Between 1273 and 1275 |
| D: | 30 Mar 1301 |
Abt 1275-
| Margaret de Hydon | |
| B: | Abt 1275 |
| M: | Between 13 Apr 1288 and 22 Apr 1292 |
Abt 1250-Bef 1291
| Isabel de Vere | |
| B: | Abt 1250 |
| D: | Bef [J] 7 Jan 1291 |
Abt 1250-1299
| Sir Oliver de Dinham, of Hartland | |
| B: | Abt 1250 |
| M: | Bef [J] 24 Jan 1277 |
| D: | [J] 26 Feb 1299 |
Abt 1210-Bef 1263
| 4th Earl of Oxford Sir Hugh de Vere | |
| B: | Abt 1210 |
| D: | Bef 23 Dec 1263 |
Abt 1215-Aft 1273
| Hawise de Quincy | |
| B: | Abt 1215 |
| M: | Abt [J] Feb 1223 |
| D: | Aft 1273 |
Aft 1164-Bef 1221
| 3rd Earl of Oxford Sir Robert de Vere | |
| B: | Aft 1164 |
| D: | Bef 25 Oct 1221 |