| Father | Otho GILBERT (1419 - 1493) |
| Mother | Elizabeth HILL (1423 - 1456) |
| Sibling | Sir Geoffrey GILBERT (1444 - 1552) |
| Sibling | Sir Otho GYLBERT (1446 - 1494) |
| Sibling | Richard GILBERT (1456 - 1524) |
| Sibling | Lady Elizabeth GILBERT (1446 - 1503) |
| Sibling | John, I GILBERT (1450 - 1494) |
| Sibling | Sir Knight Thomas GYLBERT (1450 - 1529) |
| Sibling | William GILBERT (1452 - 1531) |
| Sibling | Mary GILBERT (1452 - 1494) |
| Sibling | Lady Isabelle GILBERT (1456 - 1494) |
| Sibling | Richard GILBERT (1447 - ) |
| Sibling | Edward GILBERT (1443 - 1551) |
| Sibling | John GILBERT (1449 - 1539) |
| Sibling | Otho GILBERT II (1448 - ) |
| Sibling | William GILBERT (1456 - ) |
| Sibling | Elizabeth GILBERT (1456 - ) |