John of Gaunt, 1st Duke of Lancaster<br>Geslacht: Man<br>Geboorte: 6 mrt 1340 - St. Bavon's Abbey, Ghent, Belgium<br>Doop: 24 jun 1340<br>Beroep: Duke of Lancaster<br>Huwelijk: Echtgeno(o)t(e): Katherine Swynford (geboren de Roet), Duchess of Lancaster - 13 jan 1396 - Lincoln Cathedral, Lincoln, Lincolnshire, England <br>Overlijden: 3 feb 1399 - Leicester Castle, Leicestershire, England<br>Begrafenis: 15 mrt 1399 - St. Paul's Cathedral, London, Middlesex, England<br>Vader: Edward of Windsor<br>Moeder: Philippa de Hainault, Queen consort of England<br>Echtgenotes: Blanche of Lancaster, Constanza de Castilla y León, duquesa consorte de Láncaster, Katherine Swynford (geboren de Roet), Duchess of Lancaster<br>Partner: Marie Gaunt (geboren de St. Hilaire)<br>Kinderen: Isabel (geboren Plantagenet), of Lancaster, Blanche fitzJohn, John of Lancaster, Philippa of Lancaster, Queen consort of Portugal, John Plantagenet, of Lancaster, Edward Plantagenet, of Lancaster, John of Lancaster, Henry IV of Bolingbroke, King of England, Elizabeth Plantagenet, Duchess of Exeter, Katherine of Lancaster, Queen consort of Castile, Thomas Beaufort, 1st Duke of Exeter, John Beaufort, 1st Earl of Somerset, Henry Beaufort, Bishop of Winchester, Chancellor of England, Joan Beaufort, Countess of Westmorland<br>Broers/zusters: Edward "of Woodstock" Plantagenet, Prince of Wales, Joan Plantagenet, Isabella Plantagenet, Countess of Bedford, Edmund of Langley, 1st Duke of York, Lionel of Antwerp, 1st Duke of Clarence, William Plantagenet, Of Hatfield, Mary Plantagenet, Duchess of Brittany, Margaret (geboren Plantagenet), Countess of Pembroke, Blanche Plantagenet, of England, Thomas Plantagenet, Of Windsor, William of Windsor, Thomas of Woodstock, 1st Duke of Gloucester
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