| Father | Sir Thomas John BERESFORD' LORD OF BENTLEY (1420 - 1473) |
| Mother | Lady Agnes HASSALL (1422 - 1467) |
| Sibling | John BERESFORD (1443 - 1483) |
| Sibling | Lawrence BERESFORD (1433 - 1519) |
| Sibling | Aden BERESFORD (1441 - 1495) |
| Sibling | Thomas BERESFORD (1442 - 1512) |
| Sibling | Alice BERESFORD (1443 - ) |
| Sibling | Humphrey Hugh BERESFORD (1445 - 1516) |
| Sibling | Robert BERESFORD (1447 - 1520) |
| Sibling | Humphrey BERESFORD (1448 - 1505) |
| Sibling | John BERESFORD (1451 - 1520) |
| Sibling | James BERESFORD (1452 - 1458) |
| Sibling | Roger BERESFORD (1452 - ) |
| Sibling | Godfrey BERESFORD (1454 - 1512) |
| Sibling | William BERESFORD (1454 - ) |
| Sibling | Ralph BERESFORD (1458 - 1475) |
| Sibling | Agnes BERESFORD (1459 - ) |
| Sibling | Cicely Ellen BERESFORD (1477 - 1520) |
| Sibling | Agnes Joan BERESFORD (1462 - 1492) |
| Sibling | Dionyius Denys BERESFORD (1465 - 1557) |