Family/Spouse: Duke of Exeter Thomas Beaufort. Thomas (son of Duke of Lancaster, Prince of England JOHN PLANTAGENET and Duchess of Lancaster CATHERINE De ROET) was born about Jan 1377 in Chcateau De Beaufort, Maine-Et-Loire, France; died on 31 Dec 1426 in Greenwich Manor, East Greenwich, Kent, England; was buried in Abbey, Bury St. Edmunds, Suffolk, England. [Group Sheet] [Family Chart]