William Ireby
- 1257
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| Christopher Seton 1278-1306 |
| Christopher Seton | |
| B: | 1278 |
| D: | 1306 |
| John Seton -1297 |
| John Seton | |
| D: | 1297 |
 | Christina de Ireby -1305 |
| Christina de Ireby | |
| D: | 6 Jul 1305 |
| Sir Thomas de Lascelles -1260 |
| Sir Thomas de Lascelles | |
| D: | Bef. Oct 1260 |
|
| William Ireby -1257 |
| William Ireby | |
| B: | Ireby, Cumberland, England |
| D: | 1257 |