Children |
| 1. Jonet ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 2. Gwenllian [1st] ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 3. Gwenllian [2nd] ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 4. Crisli ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 5. [unknown] ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 6. Thomas ap Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 7. Thomas "Fychan" ap Gwilym, b. Abt 1400, of, Y Faendre, Llaneirwg, Monmouthshire, Wales d. Yes, date unknown |
| 8. Catrin ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 9. [unknown] ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 10. [unknown] ferch Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
+ | 11. Llywelyn "Fychan" ap Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 12. Dafydd "Gwyn" ap Gwilym, b. Abt 1400, of, Llanbradach, Eglwysilan, Glamorganshire, Wales d. Yes, date unknown |
| 13. John "Gwyn" ap Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 14. Morgan ap Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
| 15. Cadwgon ap Gwilym, b. Abt 1400, of, Rhiw'rperrai, Llanfedw, Glamorganshire, Wales d. Yes, date unknown |
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