| Father | John MAINWARING (1471 - 1516) |
| Mother | Katharine HONFORD (1471 - 1529) |
| Sibling | Sir Randle MAINWARING (1495 - 1557) |
| Sibling | Edmond MAINWARING (1497 - ) |
| Sibling | Katherine MAINWARING (1498 - ) |
| Sibling | Piers MAINWARING (1502 - ) |
| Sibling | Sir Philip MAINWARING (1505 - 1573) |
| Sibling | Edward MAINWARING (1507 - 1586) |
| Sibling | Robert MAINWARING (1508 - ) |
| Sibling | Thomas MAINWARING (1509 - ) |
| Sibling | George MAINWARING (1510 - 1571) |
| Sibling | Henry MAINWARING (1511 - ) |
| Sibling | Nicholas MANWARING (1512 - 1516) |
| Sibling | William MAINWARING (1513 - 1514) |
| Sibling | William MAINWARING (1514 - 1516) |
| Sibling | Margaret MANWARING (1515 - ) |