Children |
| 1. Jeffrey Mortimer, b. Yes, date unknown |
+ | 2. Baron Sir Knight Edmund De Mortimer, b. 1305, Wigmore, Herefordshire, England |
| 3. Beatrice Mortimer, b. Abt 1306 |
| 4. Maud De Mortimer, b. Abt 1307, Wigmore, Herefordshire, England |
| 5. Margaret Mortimer, b. 1308 |
| 6. Sir Roger Mortimer, b. Abt 1308 |
| 7. Blanche De Mortimer, b. 1312 |
| 8. Joan De Mortimer, b. Abt 1313, Wigmore, Herefordshire, England |
| 9. Countess Katherine De Mortimer, b. Abt 1319, Wigmore, Herefordshire, England |
| 10. Isabel Mortimer, b. Abt 1321 |
| 11. Agnes Mortimer, b. Abt 1323 |
| 12. John Mortimer, b. Abt 1325 |
| 13. William Mortimer, b. Abt 1327 |
|