William Brett
Abt 1338 - Yes, date unknownDrag or scroll to see more of the chart.
| Richard Boscawen Abt 1413-Abt 1490 |
| Richard Boscawen | |
| B: | Abt 1413 |
| Cornwall, England | |
| D: | Abt 1490 |
| Cornwall, England | |
 | Maude De Hallop Abt 1413- |
| Maude De Hallop | |
| B: | Abt 1413 |
| Cornwall, England | |
| M: | Abt 1452 |
| Cornwall, England | |
| D: | Cornwall, England |
| Hugh Boscawen 1374-1465 |
| Hugh Boscawen | |
| B: | 1374 |
| Cornwall, England | |
| D: | 1465 |
| Cornwall, England | |
| Joan Trenoweth, Lady Abt 1380-1460 |
| Joan Trenoweth, Lady | |
| B: | Abt 1380 |
| Cornwall, England | |
| M: | 1393 |
| Cornwall, England | |
| D: | 1460 |
| Cornwall, England | |
| Rose Brett Abt 1364-1412 |
| Rose Brett | |
| B: | Abt 1364 |
| Cornwall, England | |
| D: | 1412 |
| Cornwall, England | |
| John De Boscawen Abt 1365-Abt 1415 |
| John De Boscawen | |
| B: | Abt 1365 |
| Cornwall, England | |
| M: | Abt 1390 |
| Cornwall, England | |
| D: | Abt 1415 |
| Cornwall, England | |
| William Brett Abt 1338-Yes, date unknown |
| William Brett | |
| B: | Abt 1338 |
| England | |
| D: | Yes, date unknown |