| Father | Ralph Nicholas LONGFORD (1438 - 1513) |
| Mother | Mabel Isabel FERRARS (1440 - 1487) |
| Sibling | Elizabeth DE LONGFORD (1452 - 1548) |
| Sibling | Margaret LONGFORD (1467 - ) |
| Sibling | Nicholas LONGFORD (1465 - 1513) |
| Sibling | Elizabeth LONGFORD (1480 - 1548) |
| Sibling | Miss LONGFORD (1466 - ) |
| Sibling | Dorothy LONGFORD (1480 - ) |
| Sibling | Henry LONGFORD (1468 - ) |
| Sibling | John LONGFORD (1472 - ) |
| Sibling | Thomas LONGFORD (1470 - ) |
| Sibling | Miss LONGFORD (1462 - ) |
| Sibling | William LONGFORD (1474 - ) |
| Sibling | Elizabeth LONGFORD (1487 - 1547) |
| Sibling | Margery LONGFORD (1479 - ) |