| Father | Sir Morgan AP LLEWELYN (1318 - 1384) |
| Sibling | Philip ap MORGAN of Langstone (1355 - 1382) |
| Sibling | Crisli VERCH MORGAN (1338 - ) |
| Sibling | ANN FERCH MORGAN (1349 - ) |
| Sibling | CHRISTIAN FERCH MORGAN (1351 - ) |
| Sibling | JOHN AP MORGAN (1353 - ) |
| Sibling | Jane VERCH MORGAN (1354 - ) |
| Sibling | FERCH MORGAN (1357 - ) |
| Sibling | Llewelyn AP MORGAN (1366 - 1387) |
| Sibling | John BLEDDYN (1370 - 1387) |
| Sibling | John AP MORGAN (1370 - 1387) |
| Sibling | Ann VERCH MORGAN of Tredegar (1370 - 1434) |
| Sibling | Christian VERCH MORGAN (1370 - ) |
| Sibling | Elinor VERCH MORGAN (1370 - ) |
| Sibling | Margaret VERCH MORGAN of Tredegar (1370 - ) |
| Sibling | VERCH MORGAN (1378 - ) |
| Sibling | Gwenllian VERCH MORGAN ( - ) |