Family/Spouse: JOAN BEAUFORT. JOAN (daughter of Duke of Lancaster, Prince of England JOHN PLANTAGENET and Duchess of Lancaster CATHERINE De ROET) was born about 1375 in Chcateau De Beaufort, Maine-Et-Loire, France; died on 13 Nov 1440 in Howden, Yorkshire, England; was buried in 1440 in Lincoln, Lincolnshire, England. [Group Sheet] [Family Chart]