| Name | Roger de Mortimer | |
| Suffix | 4th Earl of March, 6th Earl of Ulster | |
| Birth | 11 Apr 1374 | Usk, Monmouthshire, Wales |
| Gender | Male | |
| Death | 1398 | |
| Person ID | I322552711839 | Hurst Improbable Family Tree |
| Last Modified | 15 Jun 2026 | |
| Father | Edmund de Mortimer, 3rd Earl of March and Earl of Ulster, b. 1 Feb 1352 d. 27 Dec 1381 (Age 29 years) | |
| Mother | Philippa Plantagenet, 5th Countess of Ulster, b. 16 Aug 1355, Eltham Palace, Kent, England ![]() | |
| Family ID | F5985 | Group Sheet | Family Chart |
Family ![]() |
Alianore Holland, Countess of March, b. 13 Oct 1370, Upholland, Lancashire, England d. Oct 1405 (Age 35 years) | |||||||||
| Children |
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| Family ID | F5487 | Group Sheet | Family Chart | ||||||||
| Last Modified | 15 Jun 2026 | |||||||||