| Children |
| | 1. Maud or Matilda de Mortimer, b. 1286, Wigmore, Herefordshire, England d. 18 Sep 1312, Alton Castle, Alton, Staffordshire, England (Age 26 years) [Father: natural] [Mother: natural] |
| + | 2. Roger IV, 3rd Baron Mortimer, 1st Earl of March de Mortimer, b. 25 Apr 1287, Thornbury, Hereford, England d. 29 Nov 1330, Hanged,for treason at Tyburn, (Age 43 years) [Father: natural] [Mother: natural] |
| | 3. Hugh de Mortimer, b. 1290, Ludlow, Hertfordshire, , England d. 1380, , Hertfordshire, , England (Age 90 years) [Father: natural] [Mother: natural] |
| | 4. Joan de Mortimer, b. 1292, Wigmore, Hertfordshire, England d. 10 Apr 1319, Woodbridge, Suffolk, England (Age 27 years) [Father: natural] [Mother: natural] |
| | 5. Walter de Mortimer, b. 1294, Wigmore, Herefordshire, , England d. 1384, , , , England (Age 90 years) [Father: natural] [Mother: natural] |
| | 6. Margaret de Mortimer, b. 14 Sep 1295, Hereford, Herefordshire, , England d. 1297 (Age 1 year) [Father: natural] [Mother: natural] |
| | 7. Edmund de Mortimer, b. 1298, Hereford, Herefordshire, , England d. 1299 (Age 1 year) [Father: natural] [Mother: natural] |
| | 8. John de Mortimer, b. 1300, Wigmore, Herefordshire, , England d. 3 Jan 1318, Wellingborough, Northamptonshire, , England (Age 18 years) [Father: natural] [Mother: natural] |
| | 9. Elizabeth de Mortimer, b. 1302, Wigmore, Herefordshire, , England d. 1303 (Age 1 year) [Father: natural] [Mother: natural] |
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