| | Henry Beaufort Cardinal Beaufort, Bishop of Winchester …–1447 John Cherlton 4th Baron Cherlton of Powis …– | | | | John Plantagenet of Gaunt (Ghent), 1st Duke of Lancaster, KG 1340–1399 Blanche Plantagenet of Lancaster 1341–1369 Constanza … Queen of Castile 1354–1394 Katherine de Roet (Rouet) 1350–1403 | | | | 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 | | | | Edward I Plantagenet 1239–1307 Queen consort of England (1272-1290) Eleanor … of Castile 1241–1290 Queen of England Margaret … of France 1279–1318 | | |
| | | Philip IV … King of France 1268–1314 | | |
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| | | William III … Count of Hainault …–… |
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| | | Henry Plantagenet of Grosmont, 1st Duke of Lancaster, 4th Earl of Leicester and Lancaster, KG 1310–1361 | | | | Henry Plantagenet 3rd Earl of Leicester and Lancaster 1281–1345 Maud de Chaworth 1282–1322 | | | | Edmund Crouchback Plantagenet 1st Earl of Leicester and Lancaster 1245–1296 | | |
| | | Patrick de Chaworth Lord of Kidwelly …–… Isabella de Beauchamp 1236–1306 | | |
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| | | Henry de Beaumont 1st Lord Beaumont …–… |
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| | | King of Castile and Leon (1350-1369) Peter (Pedro) … 1334–1369 | | | | King of Castile and Leon (1312-1350) Alfonso XI … 1311–1350 |
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| | | Payne de Roet (Rouet) …–… |
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