| Father | Male Hugh De Courtenay, [Earl of Devon] |
| Born | 4 Jul 1303 | Of, Okehampton, Devonshire, England |
| Died | 24 Apr 1377 | , Exeter, Devonshire, England |
| Buried | Cathedral, Exeter, Devonshire, England |
|
| Married | 3 Aug 1325 | |
| Father | Hugh De Courtenay | F16350 Group Sheet | |
| Mother | Agnes Saint John | F16350 Group Sheet | |
| Mother | Female Margaret De Bohun |
| Born | 26 Mar 1311 | Of, Caldecote, Northamptonshire, England |
| Died | 8 Dec 1391 | , Exeter, Devonshire, England |
| Buried | Cathedral, Exeter, Devonshire, England |
|
| Father | Humphrey VIII De Bohun | F16358 Group Sheet | |
| Mother | Elizabeth Princess Of England | F16358 Group Sheet | |
| Child 1 | Female Margaret Courtenay, [Baroness] |
| Born | Abt 1325 | Of, Exeter, Devonshire, England |
| Died | 25 Jul 1385 | |
| Buried | Cobham |
|
| Spouse | John De Cobham | F16338 | |
| Married | 1331/1333 | |
| Child 2 | Male Hugh Courtenay |
| Born | 14 Mar 1326 | Of, Exeter, Devonshire, England |
| Died | Bef 25 Aug 1349 | Vp |
| Buried | , Forde Abbey, Dorsetshire, England |
|
| Spouse | Elizabeth De Vere | F16339 | |
| Married | Bef Aug 1341 | |
| Child 3 | Male Edward Courtenay |
| Born | Abt 1328 | Of, Haccombe, Devonshire, England |
| Died | Bef 1371 | |
| Buried | ||
| Spouse | Emeline Dawnay | F16340 | |
| Married | ||
| Child 4 | Male Thomas Courtenay, [Sir Knight] |
| Born | Abt 1330 | Of, Exeter, Devonshire, England |
| Died | 1380 | |
| Buried |
| Child 5 | Female + Elizabeth Courtenay |
| Born | Abt 1332 | Of, Exeter, Devonshire, England |
| Died | 30 Jul 1395 | |
| Buried | ||
| Spouse | Andrew Lutterell, [Sir] | F16337 | |
| Married | 1358 | |
| Spouse | John De Vere | F16335 | |
| Married | ||
| Child 6 | Female Catherine Courtenay |
| Born | Abt 1334 | Of, Exeter, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | William Mohun | F16341 | |
| Married | ||
| Spouse | Thomas Engain | F16342 | |
| Married | ||
| Child 7 | Female Joan Courtenay |
| Born | Abt 1336 | Of, Exeter, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | John Chiverton | F16343 | |
| Married | ||
| Child 9 | Male Philip Courtenay, [Sir Knight] |
| Born | Abt 1339 | Of, Exeter, Devonshire, England |
| Died | 20 Jul 1406 | , Exeter, Devonshire, England |
| Buried | ||
| Spouse | Anne Wake | F16344 | |
| Married | Abt 1379 | |
| Child 10 | Male William Courtenay, [Archbishop] |
| Born | Abt 1341 | Of, Exeter, Devonshire, England |
| Died | 23 Jul 1396 | |
| Buried |
| Child 14 | Male Peter Courtenay, [Sir Knight] |
| Born | Abt 1348 | Of, Exeter, Devonshire, England |
| Died | 24 Jan 1404 | |
| Buried |