| Children |
| | 1. Isabel De Clare, b. May 1240, Of, Tonbridge, Kent, England d. 1271 (Age 30 years) |
| | 2. Robert (Richard) De Clare, b. Abt 1249, , Tonbridge, Kent, England d. Bef Jul 1262 (Age < 13 years) |
| | 3. Roese (Rohesia) De Clare, b. 17 Oct 1252, , Tonbridge, Kent, England d. Aft 1316 (Age > 65 years) |
| | 4. Eglentine De Clare, b. 1257, Of, Tonbridge, Kent, England d. 1257, (age 15 Weeks) (Age 0 years) |
| | 5. Thomas De Clare, [Sir Knight], b. Abt 1248, Of, Tonbridge, Kent, England d. Feb 1287/1288, Of, Thomond, Connaught, County Clare (Age 40 years) |
| | 6. Margaret De Clare, b. 1249, , Tonbridge, Kent, England d. Bef 16 Sep 1312/1313 (Age < 64 years) |
| | 7. Bevis (Bogo) (Benet) Clare, b. 21 Jul 1248, , Tonbridge, Kent, England d. Oct 1294 (Age 46 years) |
| | 8. Maud De Clare, b. Abt 1252, , Tonebridge, Suffolk, England  |
| | 9. Gilbert "the-Red-Earl" De Clare, [Earl of Glouces, b. 2 Sep 1243, , Christchurch, Hampshire, England d. 7 Dec 1295, , Monmouth Castle, Monmouthshire, England (Age 52 years) |
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