| Father | Sir David MATHEW (1400 - 1484) |
| Mother | Gwendoline Wenillian HERBERT (1396 - 1438) |
| Sibling | Margred FERCH DAFYDD MATHEW (1422 - ) |
| Sibling | William Lieia MATHEW (1448 - ) |
| Sibling | Katharine MATHEW (1444 - ) |
| Sibling | Joan Margred MATHEW (1440 - 1534) |
| Sibling | Margaret MATHEW (1450 - ) |
| Sibling | Jenkyn MATHEW (1431 - 1520) |
| Sibling | William Mathew MATHEW (1436 - ) |
| Sibling | Ellen MATHEW (1452 - ) |
| Sibling | Morgan MATHEW (1470 - ) |
| Sibling | William Vauer MATHEW (1436 - ) |
| Sibling | Ellen MATHEW (1445 - ) |
| Sibling | Katherine MATHEW (1440 - ) |
| Sibling | Jenkin MATHEW (1446 - ) |
| Sibling | Jane MATHEW MATHEW (1454 - ) |
| Sibling | Sir David MATHEW (1425 - 1470) |
| Sibling | William MATHEW (1448 - 1548) |
| Sibling | Thomas I MATHEW (1430 - 1470) |
| Sibling | William Leia MATHEW (1446 - ) |
| Sibling | Reinborn MATHEW ( - ) |
| Sibling | Gruffudd ap HYWEL (1410 - ) |
| Sibling | Rimbron "Reyborn" MATHEW (1434 - 1470) |
| Sibling | Margred ferch MAREDUDD (1420 - ) |