| Father | William COURTENAY [Sir KNIGHT] (1451 - 1512) |
| Mother | Cecily CHENEY (1455 - ) |
| Sibling | Sir William Courtenay of Powderham (1477 - 1535) |
| Sibling | James COURTENAY [Sir KNIGHT] (1479 - ) |
| Sibling | Edward Courtenay (1487 - ) |
| Sibling | Piers COURTENAY (1481 - 1508) |
| Sibling | Eleanor Courtenay (1497 - 1535) |
| Sibling | Elizabeth COURTENAY (1483 - ) |
| Sibling | Elizabeth COURTENAY (1478 - ) |
| Sibling | Ann COURTENAY (1485 - ) |
| Sibling | Cecily Courtenay (1491 - ) |
| Sibling | Edward COURTENAY (1487 - ) |
| Sibling | Sir James I Courtenay of Upcott (1479 - 1529) |
| Sibling | Joan COURTENAY (1489 - ) |
| Sibling | Johanna Courtenay (1497 - ) |
| Sibling | Eleanor COURTENAY (1493 - ) |
| Sibling | Daughter COURTENAY (1497 - ) |
| Sibling | Margaret COURTENAY (1500 - 1537) |