*Catherine de Roet Duchess of Lancaster
born 1350 Picardy, Somme, France
died 10 May 1403 Lincoln, Lincolnshire, England

father:
*Sir Payn de Roet
born about 1315 Picardy, Somme, France
(end of information).

mother:
unknown

siblings:
Phillipa de Roet born about 1348 Picardy, Somme, France died after June 1387

spouse:
*John of Gaunt Plantegenet
born 24 June 1340 Bavon Abbey, Ghent, Flanders
died 3 February 1399 Leicester Castle, London, Middlesex, England
married 13 January 1396 Lincoln, Lincolnshire, England

children:
John Beaufort Marquess of Somerset born about 1371 Chateau de Beaufort, Maine-et-Loire, France
died 16 March 1409/10 -- St. Catherine By The Tower Hospital, London, Middlesex, England
*Joan Beaufort Countess of Westmorland born 1375 Beaufort Castle, Anjou, France
died 13 November 1440 Howden, Yorkshire, England
Cardinal Henry Beaufort Bishop of Lincoln & Winchester
born about 1376 Chateau de Beaufort, France died 11 April 1447 Winchester, Hampshire, England
Thomas Beaufort born about January 1376/77 Chateau de Beaufort, France
died 31 December 1426 Greenwich Manor, East Greenwich, Kent, England

biographical or anecdotal information:


source:
LDS
ancestry.com