| | John Beaufort 3rd Earl and 1st Duke of Somerset (1443) 1404–1444 Margaret Beauchamp …–1482 | | | | John Beaufort 1st Earl of Somerset (1377) 1371–1410 Margaret Holland 1381–1439 | | | | John of Gaunt Plantagenet Duke of Lancaster (1367) 1340–1399 Blanche de Grosmont 1345–1369 Kathryn Swynford 1350–1403 | | | | King of England and France, Lord of Ireland (1327-1377) Edward III Plantagenet 1312–1377 Phillipa of Hainault 1313–1369 | | |
| | | Pedro III (Peteri III) (Peter I The Cruel ) … …–… |
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