Edward (3rd Earl of Devon) De Courtenay
Abt 1327 - 1419 (~ 92 years)
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| Thomas (5th Earl of Devon) Courtenay 1414-1458 |
| Thomas (5th Earl of Devon) Courtenay | |
| B: | 1414 |
| D: | 3 Feb 1457-1458 |
 | Margaret (of Somerset) Beaufort -Yes, date unknown |
| Margaret (of Somerset) Beaufort | |
| D: | Yes, date unknown |
| Hugh (4th Earl of Devon) De Courtenay 1389-1422 |
| Hugh (4th Earl of Devon) De Courtenay | |
| B: | 1389 |
| D: | 16 Jun 1422 |
| Anne Talbot -1440 |
| Anne Talbot | |
| D: | 16 Jan 1439-1440 |
| Edward Lord Courtenay -1418 |
| Edward Lord Courtenay | |
| D: | 1418 |
| Eleanor (of March) Mortimer Abt 1395-1418 |
| Eleanor (of March) Mortimer | |
| B: | Abt 1395 |
| M: | 1408 |
| D: | 1418 |
| Elizabeth (of Devon) Courtenay | |
| D: | 18 Oct 1471 |
| John (4th Lord) De Harington Abt 1384-1418 |
| John (4th Lord) De Harington | |
| B: | Abt 1384 |
| M: | 1411 |
| D: | 11 Feb 1417-1418 |
| William (6th Lord Hartington) Bonville Abt 1442-1460 |
| William (6th Lord Hartington) Bonville | |
| B: | Abt 1442 |
| D: | 31 Dec 1460 |
| Battle Of Wakefield | |
| Catherine (of Salisbury) Neville -Abt 1504 |
| Catherine (of Salisbury) Neville | |
| M: | Bef 1458 |
| D: | Abt 1504 |
| William Bonville -1460 |
| William Bonville | |
| D: | 31 Dec 1460 |
| Battle Of Wakefield | |
| Elizabeth De Harington -Yes, date unknown |
| Elizabeth De Harington | |
| M: | Bef 1442 |
| D: | Yes, date unknown |
| William (of Chewton) 1st Baron Bonville 1393-1461 |
| William (of Chewton) 1st Baron Bonville | |
| B: | 30 Aug 1393 |
| M: | Oct 1427 |
| D: | 18 Feb 1460-1461 |
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| Edward (3rd Earl of Devon) De Courtenay Abt 1327-1419 |
| Edward (3rd Earl of Devon) De Courtenay | |
| B: | Abt 1327 |
| D: | 5 Dec 1419 |
| Maud Camoys -Yes, date unknown |
| Maud Camoys | |
| D: | Yes, date unknown |