| | Catherine HOWARD 1414–1478 Elizabeth BEAUCHAMP 1415–1448 | | | | Ralph De NEVILLE 1364–1425 Joan De BEAUFORT 1375–1440 | | | | | | | | | Idonea De CLIFFORD 1300–1365 | | |
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| | | John Of Gaunt Prince Of ENGLAND 1340–1398 Catherine De ROET 1350–1403 Constanza Perez Princess Of CASTILE AND LÉON 1354–1394 | | | | Edward III King Of ENGLAND 1312–1377 Philippa Queen Of ENGLAND 1314–1369 | | |
| | | | Pedro I The Cruel ALFONSEZ 1334–1369 Maria Juana De PADILLA 1334–1361 |
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| | | Richard De BEAUCHAMP 1381–1439 Isabel DESPENCER 1400–1439 | | | | William BEAUCHAMP 1358–1411 | | | | Richard FITZALAN 1346–1397 Elizabeth De BOHUN 1350–1385 | | |
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| | | Thomas Le DESPENCER 1373–1399 Constance Princess Of ENGLAND 1374–1416 | | | | Edward DESPENCER 1335–1375 Elizabeth De BURGHERSH 1342–1409 |
| | | Edmund of Langley Prince Of ENGLAND 1341–1402 Isabel Princess Of CASTILE AND LÉON 1355–1392 | | |
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