| Children |
| | 1. Llewelyn Fawr Wales ApIorwerth, b. 1130, Wales, United Kingdom d. 1184, Caernarfonshire, Wales, United Kingdom (Age 54 years) |
| | 2. Owain " The Red" Goch, King of Gwynedd, b. 1164, Wales, United Kingdom d. DECEASED |
| | 3. Dafydd Ap Iorwerth, b. 1167, Wales, United Kingdom d. 1203 (Age 36 years) |
| | 4. Llywelyn ab Iorwoerth, b. 1173, Aberffraw Castle, Anglesey, Wales d. 11 Apr 1240, Conwy, Caernarfonshire, Wales, United Kingdom (Age 67 years) |
| | 5. Adda Ap Iorwerth Drwyndwn, b. 1175, Gwynedd, Caernarvonshire, , Wales d. 11 Apr 1240, Arllechwedd Isaf, Caernarvonshire, , Wales (Age 65 years) |
| | 6. Catherine Verch Owain, b. 1175, Aberffraw, Isle of Anglesey, Wales, United Kingdom d. DECEASED |
| | 7. Catherine Verth Gwynedd, b. 1175 d. DECEASED |
| | 8. Vychan ap Liewelyn, b. 1238, Presteigne, Radnorshire, Wales d. Wales  |
| | 9. Margaret ApIthel, b. 1390, Wales, United Kingdom d. DECEASED |
| | 10. Ievan ap Owain Gwynedd d. 1195 |
| | 11. Davydd Iorwerth d. 1203 |
| | 12. Dafydd ap Madog Llwyd, b. Llowarch Hwlbwrch, Wales d. 1399 |
| | 13. Griffith ( Gruffydd) ap Iorwerth d. DECEASED |
| | 14. Gwerful Llwyd ferch Iorwerth, b. Montgomeryshire, Wales, United Kingdom d. DECEASED |
| | 15. Maelgwin Iorwerth d. DECEASED |
| | 16. Margaret Iorwerth d. DECEASED |
|