| Spouse | Maud verch Ieuan (1329 - 1424) |
| Child | Dafydd Gam ap Llewelyn ap Hywel (1360 - 1415) |
| Child | Gruffudd ap Hywell (1340 - ) |
| Child | Morgan Ap Llewelyn (1353 - 1407) |
| Child | Jenkin Ap Llewelyn (1355 - 1407) |
| Child | Hywel ap Llywellyn (1356 - 1438) |
| Child | John Ap Llewelyn (1358 - ) |
| Child | Alice Ferch Llewelyn (1364 - ) |
| Child | Thomas ap Lewys (1364 - ) |
| Child | Ffelis Ferch Llewelyn (1367 - ) |
| Child | Gwilym ap Llywellyn (1369 - 1407) |
| Child | Elen ferch Llywelyn (1370 - ) |
| Child | Jonet verch Llywelyn (1371 - ) |
| Child | Roger Ap Llewelyn (1374 - ) |
| Child | Gronwy ap Hywel ( - 1315) |
| Child | Iorwerth ap Hywel ( - 1315) |