| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 1330 | d. 1360 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | Isabella Capet de France |
| 2 | | | b. Abt 1304 | d. 5 May 1337 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 3 | | | b. 1306 | d. 16 Dec 1351 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 4 | | | b. 1307 | d. Aug 1385 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 5 | | | b. Abt 1308 | d. 27 Aug 1338 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 6 | | | b. Abt 1309 | d. 6 Sep 1369 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 7 | | | b. Abt 1310 | d. 1372 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 8 | | | b. Abt 1311 | d. 16 October 1383 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 9 | | | b. 1312 | d. 26 Jan 1531 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 10 | | | b. Abt 1312 | d. Abt 1337/51 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 11 | | | b. 1313 | d. 1368 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 12 | | | b. Abt 1316 | d. Abt 1347 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 13 | | | b. 1320 | d. 4 Aug 1368 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |
| 14 | | | b. Abt 1321 | d. 1328 | Roger De Mortimer, 3rd Baron Mortimer, 1st Earl of March | JOAN DE GENEVILLE |