| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. May 1240 | d. 1271 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 2 | | | b. 2 Sep 1243 | d. 7 Dec 1295 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 3 | | | b. Abt 1245 | d. 29 Aug 1287 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 4 | | | b. 21 Jul 1248 | d. Oct 1294 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 5 | | | b. Abt 1252 | | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 6 | | | b. 17 Oct 1252 | d. Aft 1316 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 7 | | | b. 1257 | d. 1257 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 8 | | | b. Abt 1249 | d. Bef Jul 1262 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 9 | | | b. 1249 | d. Bef 16 Sep 1312/1313 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |
| 10 | | | b. Abt 1254 | d. 1295 | Richard de Clare, Earl Gloucester & Hertford | Maud De Lacy, Countess of Gloucester, Kent, England |