BiographyRoger Mortimer, 4th Earl of March was born 11 April 1374 in Usk, Monmouthshire, Wales, United Kingdom to Edmund Mortimer, 3rd Earl of March (c1352-1381) and Philippa Plantagenet, 5th Countess of Ulster (1355-1382) and died 20 July 1398 in Kells, County Meath, Ireland of unspecified causes. He married Alianore Holland (c1373-1405) circa 7 October 1388 JL . Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from the United Kingdom, England, France, Germany, Russia, Ukraine, Belgium, Ireland, the Netherlands, Spain, Portugal, Hungary, Israel, Italy, Turkey, the Byzantine Empire, Sweden, Belarus, Switzerland.
|Offspring of Roger Mortimer and Alianore Holland (c1373-1405)|
|Anne de Mortimer (1390-1411)||1390||1411|| Richard of Conisburgh, 1st Earl of Cambridge (c1376-1415)|
|Edmund Mortimer (1391-1425)||6 November 1391 New Forest||18 January 1425 Trim, County Meath, Ireland|| Anne Stafford (1403-1432)|
|Roger de Mortimer (1393-c1409)|| |
|Eleanor de Mortimer (c1395-aft1414)|
Namesakes of Roger Mortimer, 4th Earl of March (1374-1398)
Common ancestors of Roger Mortimer, 4th Earl of March (1374-1398) and Alianore Holland (c1373-1405)
- Blanche of Artois (1248-1302)
- Edmund Crouchback, 1st Earl of Lancaster (1245-1296)
- Edward I of England (1239-1307)
- Henry Plantagenet, 3rd Earl of Lancaster (1281-1345)
- Isabella de Beauchamp (c1263-bef1307)
- Matilda de Chaworth (1282-1322)
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