Abt 1425 - 1466 (~ 41 years)
| Sir William Bowes Abt 1425-1466 |
| Sir William Bowes | |
| B: | Abt 1425 |
| Streatlam Castle, Durham, England | |
| D: | 28 Jul 1466 |
| Streatlam Castle, Durham, England | |
 | Maud Fitzhugh Abt 1428-Aft 1466 |
| Maud Fitzhugh | |
| B: | Abt 1428 |
| Ravensworth Castle, Ravensworth, Yorkshire, England | |
| M: | Abt 1449 |
| Streatlam, Durham, England | |
| D: | Aft 1466 |
| Streatlam Castle, Durham, England | |
