| Father | Sir John THROCKMORTON of Fladbury (1382 - 1445) |
| Mother | Lady Eleanor DE LA SPINE Heiress of Coughton (1385 - 1467) |
| Sibling | Eleanor DE THROCKMORTON (1424 - 1502) |
| Sibling | Lord John THROCKMORTON II (1412 - 1472) |
| Sibling | Sir Thomas THROCKMORTON (1412 - 1475) |
| Sibling | Lady Elizabeth THROCKMORTON (1414 - 1502) |
| Sibling | Agnes THROCKMORTON (1416 - 1463) |
| Sibling | Jane THROCKMORTON (1416 - 1473) |
| Sibling | Mary THROCKMORTON (1420 - 1496) |
| Sibling | Margaret THROCKMORTON (1421 - 1472) |
| Sibling | Lady Matilda THROCKMORTON of Coughton (1425 - 1496) |
| Sibling | John THROCKMORTON (1426 - 1461) |