| Father | John William SMYTH (1412 - 1467) |
| Mother | ? ( - ) |
| Sibling | Richard SMYTHE (1440 - 1524) |
| Sibling | Thomas SMYTHE, IX (1380 - 1446) |
| Sibling | William James SMYTHE (1388 - 1485) |
| Sibling | William James SMITH (1391 - 1485) |
| Sibling | Robert Carrington SMYTHE, I (1395 - 1490) |
| Sibling | Christopher SMYTHE (1398 - ) |
| Sibling | John SMYTHE (1399 - ) |
| Sibling | Jane SMYTHE (1400 - ) |
| Sibling | Margaret SMYTHE (1404 - ) |
| Sibling | Alicia SMYTHE (1405 - ) |
| Sibling | Sir Thomas SMYTHE (1406 - 1507) |
| Sibling | Christopher Carrington SMYTHE (1408 - ) |
| Sibling | Thomas SMITH (1415 - ) |
| Sibling | Hugh Carrington SMYTHE (1420 - 1485) |
| Sibling | Mayor Robert SMYTHE of Carrington (1420 - 1490) |
| Sibling | William SMYTHE (1435 - 1467) |
| Sibling | Richard William "Sir" SMYTHE (1435 - 1472) |
| Sibling | Thomas SMYTHE of Rivenhall (1437 - 1486) |