| Father | Sir Lawrence FITTON (1375 - 1456) |
| Mother | Lady Agnes HESKETH (1379 - 1441) |
| Sibling | Joan FITTON (1399 - 1486) |
| Sibling | John FITTON (1388 - ) |
| Sibling | Elizabeth FITTON (1395 - 1413) |
| Sibling | Elizabeth FITTON (1396 - ) |
| Sibling | Alice FITTON (1398 - 1478) |
| Sibling | John FITTON (1399 - 1455) |
| Sibling | John FYTON (1401 - 1456) |
| Sibling | Thomas FITTON (1402 - ) |
| Sibling | Edward FITTON (1404 - 1459) |
| Sibling | Lawrence FITTON (1406 - 1434) |
| Sibling | Hugh FYTON (1407 - 1418) |
| Sibling | Laurence FITTON Jr. (1407 - ) |
| Sibling | Margaret FITTON (1410 - 1443) |
| Sibling | John FITTON (1408 - 1455) |
| Sibling | William FITTON (1408 - 1459) |
| Sibling | Richard FITTON (1410 - 1459) |
| Sibling | Margaret FITTON (1412 - ) |
| Sibling | Hugh FITTON (1418 - 1449) |
| Sibling | Ellen FITTON (1420 - 1440) |