| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 1239 | d. 1278 OR 1279 | William de FERRERS, 5th Earl of Derby | Margaret de QUNICY |
| 2 | | | b. Abt 1240 | d. 20 Dec 1287 | William de FERRERS, 5th Earl of Derby | Margaret de QUNICY |
| 3 | | | b. 1244 | d. Yes, date unknown | William de FERRERS, 5th Earl of Derby | Margaret de QUNICY |
| 4 | | | b. Abt 1246 | d. Yes, date unknown | William de FERRERS, 5th Earl of Derby | Margaret de QUNICY |
| 5 | | | b. Abt 1248 | d. 19 Mar 1309 OR 1310 | William de FERRERS, 5th Earl of Derby | Margaret de QUNICY |
| 6 | | | b. Abt 1224 | d. 11 May 1290 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 7 | | | b. Abt 1226 | d. 1260 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 8 | | | b. Abt 1228 | d. 12 Mar 1298 OR 1299 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 9 | | | b. 1230 | d. Yes, date unknown | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 10 | | | b. Abt 1232 | d. Bef Oct 1267 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 11 | | | b. Abt 1234 | d. 22 May 1306 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 12 | | | b. Abt 1236 | d. Bef 12 Oct 1274 | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |
| 13 | | | b. Abt 1238 | d. Yes, date unknown | William de FERRERS, 5th Earl of Derby | Sibyl MARSHALL |