
| Owain ap Ieuan | |
| B: | Abt 1322 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Maredudd ap Ieuan Glynn | |
| B: | Abt 1325 |
| Glyn, Denbighshire, Wales | |
| D: | DECEASED |
| Rhydderch ap Ieuan | |
| B: | Abt 1325 |
| Llanbadarn-odwyn, Cardiganshire, Wales | |
| D: | DECEASED |
| Rhys Badarn ap Trahaearn | |
| B: | Abt 1385 |
| Cantref, Breconshire, Wales, United Kingdom | |
| D: | DECEASED |
| Lleucu ferch Ieuan | |
| B: | 1392 |
| Llanfair Grange House, Nant-y-derry, Gwent, Monmouth, Wales, United Kingdom | |
| D: | DECEASED |
| Llywelyn ap Gwilym | |
| B: | Abt 1391 |
| Manordeifi, Pembrokeshire, Wales, United Kingdom | |
| M: | From 1408 to 1411 |
| Carmarthenshire, Wales | |
| D: | DECEASED |
| Ieuan Vychan ap Ieuan | |
| B: | 1396 |
| Wales | |
| D: | 1477 |
| Ieuan ap Trahaearn | |
| B: | Cilycwm, Carmarthenshire, Wales, United Kingdom |
| D: | DECEASED |
| Jonet ferch Dafydd | |
| B: | Llanybyther, Carmarthenshire, Wales, United Kingdom |
| D: | DECEASED |
| Ieuan ap Hywel | |
| B: | Ystrad, Glamorgan, Wales, United Kingdom |
| D: | DECEASED |
| Gwenllian III verch Ieuan | |
| B: | Abt 1326 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Gruffudd ap Llywelyn | |
| B: | Aft 1401 |
| Wales, United Kingdom | |
| D: | DECEASED |
| Cathrine verch Ieuan Llwyd | |
| B: | Abt 1330 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Gruffydd "Gryg" ap Ieuan | |
| B: | Abt 1330 |
| Carmarthenshire, Wales, United Kingdom | |
| D: | DECEASED |
| Richard ap Ieuan | |
| B: | Abt 1334 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Rhys " Offeiriad" ap Ieuan | |
| B: | Abt 1336 |
| Llanbadarn-odwyn, Cardiganshire, Wales | |
| D: | DECEASED |
| Hywel Ap Ieuan | |
| B: | 1338 |
| Wales, United Kingdom | |
| D: | DECEASED |
| Cadwgon ap Ieuan | |
| B: | Abt 1340 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Gwenllian Ferch IEUAN LLWYD | |
| B: | Abt 1340 |
| D: | DECEASED |
| Llywelyn ap Ieuan | |
| B: | Abt 1342 |
| Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom | |
| D: | DECEASED |
| Ieuan Llwyd ap Ieuan | |
| B: | Abt 1300 |
| Glamorgan, Wales | |
| D: | 1392 |
| Wales, United Kingdom | |
| Angharad ferch Richard | |
| B: | Abt 1300 |
| Breconshire, Wales, United Kingdom | |
| M: | 1318 |
| Castell Odwyn, Llanbadarn Odwyn, Cardigan, Wales | |
| D: | 1343 |