Children |
| 1. Sir Walter Mortimer, b. 1351, Ludlow, Shropshire, England d. Yes, date unknown |
| 2. Baroness Margery De Mortimer, b. 1 Feb 1352, Wigmore, Herefordshire, England d. Bef 3 Nov 1405, Ambaston, Derbyshire, England (Age < 53 years) |
| 3. Edmund De Mortimer, 3rd Earl Of March, b. 1 Feb 1352, Llyswen, Breconshire, Wales d. 27 Dec 1381, Cork, Ireland (Age 29 years) |
| 4. Sir Edward Mortimer, b. Abt 1354, Of Acton Burnell d. Bef 1400 (Age ~ 45 years) |
| 5. Beatrice Mortimer, b. 1355, Wigmore, Herefordshire, England d. 13 Oct 1383 (Age 28 years) |
| 6. Ann Margaret Mortimer, b. 21 Nov 1375, Wales England d. 24 Sep 1401, Halnaker, Sussex, England (Age 25 years) |
| 7. Sir Thomas De Mortimer, 2nd Earl Of March And Chief Justice Of Ireland, b. 1350, Sussex, England d. 9 Jan 1403, Scotland (Age 53 years) |
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