4th Earl of March and 6th Earl of Ulster Roger de Mortimer
1374 - 1398 (24 years)
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| John Wroth Abt 1461-1518 |
| John Wroth | |
| B: | Abt 1461 |
| Middlesex, England | |
| D: | 1518 |
| Middlesex, England | |
 | Margaret Newdigate Abt 1465-Abt 1504 |
| Margaret Newdigate | |
| B: | Abt 1465 |
| Middlesex, England | |
| M: | Between 1480 and 1506 |
| D: | Abt 1504 |
| London, England | |
| John Wroth Abt 1431-1464 |
| John Wroth | |
| B: | Abt 1431 |
| Middlesex, England | |
| D: | 1464 |
| Middlesex, England | |
| Averia Mortimer Abt 1395-1490 |
| Averia Mortimer | |
| B: | Abt 1395 |
| Middlesex, England | |
| D: | Between 1434 and 1490 |
| William Wroth Abt 1390-1482 |
| William Wroth | |
| B: | Abt 1390 |
| Middlesex, England | |
| M: | Abt 1415 |
| Middlesex, England | |
| D: | Between 1434 and 1482 |
| Middlesex, England | |
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| 4th Earl of March and 6th Earl of Ulster Roger de Mortimer | |
| B: | 11 Apr 1374 |
| Monmouthshire, Wales | |
| D: | 20 Jul 1398 |
| Meath County, Ireland | |
| Eleanor Holland 1392-1405 |
| Eleanor Holland | |
| B: | 1392 |
| Upholland, Lancashire, England | |
| D: | 18 Oct 1405 |
| Bisham, Berkshire, England | |