| Children |
| | 1. Dafydd ap Lylwelyn, b. Abt 1386, Carmarthenshire, Wales, United Kingdom d. DECEASED |
| | 2. Gwenllian ferch Llywelyn, b. 1409, Pembrokeshire, Wales d. DECEASED |
| | 3. Elis ferch Llywelyn, b. 1411, Drysllwyn, , Carmarthen, Wales d. DECEASED |
| | 4. Dyddgu ferch Llywelyn, b. Abt 1415, Cardiganshire, Wales, United Kingdom d. DECEASED |
| | 5. Ieuan Llwyd ap Llywelyn, b. Abt 1417, Castell Malgwyn, Manordeifi, Dyfed, Pembroke, Wales, United Kingdom d. Aft 1473 (Age > 57 years) |
| | 6. Morgan ap Llywelyn, b. Abt 1419, Cardiganshire, Wales, United Kingdom d. Aft 1487 (Age > 69 years) |
| | 7. Rhys ap Llywelyn, b. Abt 1421, Cardiganshire, Wales, United Kingdom d. DECEASED |
| | 8. Jenkin Fychan ap Llywelyn, b. Abt 1425, Llanbadarn-odwyn, Cardiganshire, Wales, United Kingdom d. DECEASED |
|