| Father | Sir Knight George Mathew (1486 - 1557) |
| Mother | Lady Barbara Brent (1503 - 1590) |
| Sibling | John Mathew (1522 - 1591) |
| Sibling | Harry Henry Mathew (1525 - 1625) |
| Sibling | Catherine Mathew (1529 - ) |
| Sibling | Sir William Matthews of Glamorgan (1531 - 1587) |
| Sibling | Thomas I Mathew (1531 - 1639) |
| Sibling | Harry I Mathew (1533 - ) |
| Sibling | Arnold Mathew (1541 - ) |
| Sibling | Sir Edmund Mathew (1545 - 1643) |
| Sibling | Jane Mathew (1547 - 1647) |
| Sibling | Margred Mathew (1547 - ) |
| Sibling | Johne Mathew ( - ) |
| Sibling | Florence Mathew (1549 - 1601) |
| Sibling | John Mathew (1551 - ) |
| Sibling | Margaret Mathew (1553 - 1653) |