Abt 1359-1428
| Lord Montagu Sir John de Dinham, of Hartland | |
| B: | Abt [J] 1359 |
| D: | 25 Dec 1428 |
Abt 1360-Abt 1394
| Eleanor de Montagu | |
| B: | Abt 1360 |
| M: | Bef [J] 3 Feb 1380 |
| D: | Abt [J] 1394 |
Abt 1318-1383
| Sir John de Dinham, of Hartland | |
| B: | Abt 1318 |
| D: | [J] 7 Jan 1383 |
-Bef 1369
| Muriel de Courtenay | |
| M: | Bef 27 Mar 1357 |
| D: | Bef 12 Aug 1369 |
1295-Abt 1332
| Sir John de Dinham, of Hartland | |
| B: | 14 Sep 1295 |
| Nutwell, Devon, England | |
| D: | Abt 14 Apr 1332 |
Abt 1295-1361
| Margaret de Botreaux | |
| B: | Abt 1295 |
| M: | Bef 1311 |
| D: | 28 Nov 1361 |
|
Abt 1275-
| Margaret de Hydon | |
| B: | Abt 1275 |
1275-1301
| Sir Josce de Dinham, of Hartland | |
| B: | Between 1273 and 1275 |
| M: | Between 13 Apr 1288 and 22 Apr 1292 |
| D: | 30 Mar 1301 |