| | WilliamII Gascoigne Sir …– | | |
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| | | | | | John of Gaunt Duke of Lancaster 1340–1399 Blanche Plantagenet Countess of Derby 1341–1368 | | | | EdwardIII England King 1312–1377 Philippa of Hainault …–1369 | | | | EdwardII King of England 1284–1327 Isabella of France 1295–1358 | | | | EdwardI King of England 1239–1307 Eleanor of Castile 1244–1290 Marguerite of France 1279–1317 | | |
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