1428-1485
| William DE COURTENAY | |
| B: | 1428 |
| Powderham Castle, Powderham, Devon, England | |
| D: | Sep 1485 |
| Powderham, Devon, England | |
1425-1487
| Margaret BONVILLE | |
| B: | 1425 |
| Powderham Castle, Devon, England | |
| M: | 1450 |
| Chewton, Somerset, England | |
| D: | 1487 |
| Powderham, Devon, England | |
| Sir Philip Knight Lord Powderham DeCourtenay | |
| B: | 18 Jan 1404 |
| Powderham Castle, Devonshire, England | |
| D: | 16 December 1463 |
| Powderham Castle, Devonshire, England | |
1403-1476
| ELIZABETH HUNGERFORD | |
| B: | 1403 |
| Farley, Somerset, England | |
| D: | 14 Dec 1476 |
| Powderham Castle, Devon, England | |
1384-1425
| Sir John Lord of Powderham DeCourtenay | |
| B: | Jan 1384 |
| Powderham, Devon, England | |
| D: | 1425 |
| Okehampton, Devon, England | |
1382-1419
| Lady Joan deChampernon | |
| B: | 1382 |
| Bere, Devon, England | |
| M: | 1403 |
| Powderham, Devon, England | |
| D: | 1419 |
| Bere, Devon, England | |
|
| Sir Philip Lord Lieutenant Ireland Earl of Devon DeCourtenay | |
| B: | 4 Dec 1341 |
| Exeter, Devon, England | |
| D: | 29 Jul 1406 |
| Exeter, Devon, England | |
1360-1390
| Lady Anne Wake | |
| B: | 1360 |
| Blisworth, Northamptonshire, England | |
| M: | 1380 |
| Powderham, Devon, England | |
| D: | Apr 1390 |
| Powderham, Devon, England | |