| 1. | Katherine Swynford de Roet was born on 25 Nov 1350 in Picardy, Hainault, France (daughter of Sir Payne of Guienne Roët, King at Arms); died on 10 May 1403 in Lincoln, Lincolnshire, England; was buried in Lincoln Cathedral, Lincolnshire, England. Family/Spouse: Sir Hugh de Swynford. Hugh was born in 1340; died in 1372. [Group Sheet] [Family Chart]
Children:
- Sir Thomas de Swynford was born about 1370; died in 1432.
- Blanche de Swynford was born about 1370; and died.
- Margaret de Swynford and died.
Katherine married John of Gaunt Plantagenet, 1st Duke of Lancaster, King of Castile and Leon. on 13 Jan 1396 in Lincoln Cathedral, Lincolnshire, England. John (son of Edward III Plantagenet, King of England and Phillipa of Hainault de Avesness, Queen of England) was born in Mar 1340 in Abbays DE St Bav, Ghent, Flandre-Oriental. Belgium; died on 3 Feb 1399 in Leicester Castle, Leicester, Leicestershire, England; was buried on 15 Mar 1399 in St. Paul's Cathedral, London, Greater London, England. [Group Sheet] [Family Chart]
Children:
- John of Somerset de Beaufort, 1st Earl of Somerset was born in 1373 in Near Pottersgate, Lincolnshire, England; died on 16 Mar 1410 in St Katherine by the Tower, London; was buried in St Michael's Chapel, Canterbury Cathedral, Canterbury, Kent, England.
- Henry de Beaufort, Cardinal was born about 1375 in Chateau de Beauf, "Beaufort Castle", Meurthe-et-Mosel, Anjou, France; was christened in Chateau de Beauf, Meurthe-et-Mosel, Anjou, France; died on 11 Apr 1447 in Wolvesey Palace, Winchester, Hampshire, England; was buried in Winchester Cathedral, Winchester, England.
- Thomas Beaufort, Duke of Exeter was born about 1377; died on 31 Dec 1426 in East Greenwich, Kent; was buried in Bury St Edmunds Abbey, Suffolk.
- Joan de Beaufort, Countess of Westmoreland was born in 1379 in Chateau DE Beauf, Meuse-Et-Loire, France; died on 13 Nov 1440 in Howden, Yorkshire, England; was buried in Lincoln Cathedral, Lincolnshire, England.
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