| Children |
| | 1. Margred verch IEUAN, b. Abt 1337, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 2. Gwenhwyfar verch IEUAN, b. Abt 1339, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 3. Arddun verch IEUAN, b. Abt 1342, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 4. Mawd verch IEUAN, b. Abt 1344, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 5. Lleucu verch IEUAN, b. Abt 1345, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 6. Annes verch IEUAN, b. Abt 1349, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 7. (Daughter) verch IEUAN, b. Abt 1351, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 8. Alice verch IEUAN, b. Abt 1355, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 9. Gwenllian verch IEUAN, b. Abt 1357, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 10. Gwladus verch IEUAN, b. Abt 1357, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 11. Jonet verch IEUAN, b. Abt 1359, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 12. Dafyddap IEUAN, b. Abt 1360, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 13. Gruffudd ap IEUAN, b. Abt 1362, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 14. Owain ap IEUAN, b. Abt 1363, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. Yes, date unknown |
| | 15. Ieuan IEUAN, b. Abt 1365, Cegidfa, Ystradmarchell, Montgomeryshire, Wales d. 1405, Wales (Age 40 years) |
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