| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 12 Sep 1229 | d. Aft 1241 | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 2 | | | b. Abt 1210 | | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 3 | | | b. 4 Aug 1222 | d. 15 Jul 1262 | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 4 | | | b. 18 May 1228 | bur. 23 Jul 1258 | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 5 | | | b. 27 May 1220 | d. 30 Nov 1284/1287 | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 6 | | | b. Abt 1210 | | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 7 | | | b. 8 Nov 1226 | d. Aft 10 Jul 1264 | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 8 | | | b. 1228 | | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 9 | | | b. 1217 | | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |
| 10 | | | b. 1229 | | Gilbert De Clare :[Earl Of, LOUCESTER] | Isabel Marshall, [COUNTESS OF COR |