| Children |
| | 1. Eleanor De Courtenay, [Baroness Grey], b. Abt 1261, Of, Okehampton, Devonshire, England  |
| | 2. John De Courtenay, b. Abt 1263, Of, Okehampton, Devonshire, England d. (Vsp)  |
| | 3. Robert De Courtenay, b. Abt 1265, Of, Okehampton, Devonshire, England  |
| | 4. Alice De Courtenay, b. Abt 1267, Of, Okehampton, Devonshire, England  |
| | 5. Margaret De Courtenay, b. Abt 1269, Of, Okehampton, Devonshire, England  |
| | 6. Aveline De Courtenay, b. Abt 1271, Of, Okehampton, Devonshire, England  |
| | 7. Hugh De Courtenay, [Earl of Devon], b. 14 Sep 1273, , Okehampton, Devonshire, England d. 23 Dec 1340, , Exeter, Devonshire, England (Age 67 years) |
| | 8. Egelina De Courtenay, b. Abt 1273, Of, Okehampton, Devonshire, England  |
| | 9. Philip De Courtenay, [Lord of Manedon, b. Abt 1277, Of, Okehampton, Devonshire, England d. 24 Jun 1314, Unmd Battle Of, Strivelin (Age 37 years) |
| | 10. Thomas De Courtenay, b. Abt 1278, Of, London, Middlesex, England  |
| | 11. Margaret De Courtenay, b. Abt 1279, Of, Okehampton, Devonshire, England d. 18 Mar 1348/1349 (Age 70 years) |
| | 12. Avelina (Ada) De Courtenay, [BARONESS GIFFAR, b. Abt 1281, Of, Okehampton, Devonshire, England d. 27 Apr 1327 (Age 46 years) |
| | 13. Thomas De Courtenay, b. Abt 1281, Of, London, Middlesex, England  |
| | 14. Isabell De Courtenay, b. Abt 1283, Of, Okehampton, Devonshire, England d. Aft 10 May 1325 (Age > 42 years) |
| | 15. John De Courtenay, b. Abt 1283, Of, Okehampton, Devonshire, England  |
| | 16. Robert De Courtenay, b. Abt 1285, Of, Okehampton, Devonshire, England  |
| | 17. Egeline De Courtenay, b. Abt 1287, Of, Okehampton, Devonshire, England d. 10 Oct 1335 (Age 48 years) |
| | 18. Alice De Courtenay, b. Abt 1289, Of, Okehampton, Devonshire, England  |
|