Family: 2nd Baron Mortimer Edmund De Mortimer / Baroness Wigmore Margaret De Fiennes (F4941)
1st Baron Wigmore Roger De Mortimer (1231-1282) 
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Lady Mortimer Maud De Braose (1224-1301)
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| Ralph Mortimer ( -1276) |
| Isabella Mortimer ( -1292) |
| Margaret Mortimer ( -1297) |
| Roger Mortimer ( -1326) |
| Baron of Tingry William De Fiennes, II (1250-1302)
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| Baroness Tingry Blanche De Brienne (1252-1302)
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| 2nd Baron Mortimer Edmund De Mortimer (1251-1304)
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| Baroness Wigmore Margaret De Fiennes (1270-1333)
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Isolde De Mortimer (1271-1328)  |
| 1st Earl of March Roger Mortimer (1287-1330) |
| Maude Mortimer (1286-1315) |
