| Children |
| | 1. Elen [1st] ferch Llywelyn, b. Abt 1300, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 2. Elen [2nd] ferch Llywelyn, b. Abt 1270, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 3. Joan ferch Llywelyn, b. Abt 1300, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 4. Gwenllian ferch Llywelyn, b. Abt 1300, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 5. Isabel ferch Llywelyn, b. Abt 1270, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 6. Lleucu [1st] ferch Llywelyn, b. Abt 1270, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 7. Lleucu [2nd] ferch Llywelyn, b. Abt 1300, of, Is Coed commote, Cardiganshire, Wales , d. Yes, date unknown |
| | 8. Thomas ap Llywelyn, arglwydd of South Ceredigion, b. Abt 1300, of, Is Coed commote, Cardiganshire, Wales , d. 1343 |
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