| | Edmund Mortimer 3rd Earl of March 1351–1381 Philippa Plantagenet of Clarence, Countess of Ulster …–1381 | | | | Roger Mortimer 2nd Earl of March 1328–1359 | | | | Edmund Mortimer 1306–1331 Elizabeth de Badlesmere 1315–1356 | | | | Roger Mortimer 1st Earl of March 1287–1330 Joan de Genville 1285–1356 | | |
| | | Bartholomew de Badlesmere …–… |
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| | | William … 1st Earl of Salisbury …–… |
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| | | Lionel Plantagenet of Antwerp, Duke of Clarence, KG …–1368 Elizabeth de Burgh …–1363 Violante Visconti … …–1386 | | | | King of England and France, Lord of Ireland (1327-1377) Edward III Plantagenet 1312–1377 Philippe (d'Avesnes) de Hainault 1314–1369 | | | | King of England Edward II … 1284–1327 Isabella … of France 1292–1358 | | |
| | | William III … Count of Hainault …–… |
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| | | William Donn de Burgh 1312–1333 | | | | Henry Plantagenet 3rd Earl of Leicester and Lancaster 1281–1345 Maud de Chaworth 1282–1322 | | |
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