| Children |
| | 1. Hunydd verch Bleddyn, b. 1040, Montgomeryshire, Wales, United Kingdom d. DECEASED |
| | 2. Gwyn ap Bleddyn, b. Abt 1044, Montgomeryshire, Wales, United Kingdom d. DECEASED |
| | 3. Efa Verch Bleddyn, b. Abt 1045, Montgomeryshire, Wales, United Kingdom d. 7 Sep 1097, Denbighshire, Wales (Age 52 years) |
| | 4. Maredudd ap Bleddyn, b. 1047, Monmouthshire, Wales, United Kingdom d. 9 Feb 1132, Montgomeryshire, Wales (Age 85 years) |
| | 5. Prince Cadwgan (King of Powys) Bleddyn, b. 1050, Nannau, Merionethshire, Wales, United Kingdom d. 1112, Welshpool, Montgomeryshire, Wales, United Kingdom (Age 62 years) |
| | 6. Ryryd ap Bleddyn, b. 1052, Montgomeryshire, Wales, United Kingdom d. 1088, Battle Llechryd, Radnorshire, Wales (Age 36 years) |
| | 7. Llywarch ap Bleddyn, b. Abt 1052, Montgomeryshire, Wales, United Kingdom d. DECEASED |
| | 8. Madocke ap Bleddyn, b. 1053 d. 1088, Pembrokeshire, Wales, United Kingdom (Age 35 years) |
| | 9. Denis verch Bleddyn, b. 1056, Montgomeryshire, Wales d. 7 Sep 1097, Denbighshire, Wales, United Kingdom (Age 41 years) |
| | 10. Bleddyn ap Llywarch, b. 1059, Wales, United Kingdom d. DECEASED |
| | 11. Mael Ap Bleddyn, b. 1067, Merionethshire, Wales, United Kingdom d. 1097, Wales (Age 30 years) |
| | 12. Iorwerth " loch" ap Bleddyn, b. Abt 1068, Montgomeryshire, Wales d. 1109 (Age 41 years) |
| | 13. Rhiwallon ap Bleddyn, b. Abt 1070, Montgomeryshire, Wales d. DECEASED |
| | 14. Denis verch Bleddyn d. DECEASED |
| | 15. Hywel ap Maredudd, b. Wales, United Kingdom d. DECEASED |
| | 16. Living d. DECEASED |
|