Lady Catherine Swynford Duchess Lancaster Roet ¹

Catherine married Sir John Plantagenet II, Duke of Lancaster and Aquaitaine Beaufort, Prince of England, Titular King of Castile-Leon Ear, son of Edward "Longshanks" Plantagenet I, King of England and Philippa Hainault Queen Consort of England Comtesse of Hainault and Holland, in Lincoln Cathedral, Lincolnshire, England. (Sir John Plantagenet II, Duke of Lancaster and Aquaitaine Beaufort, Prince of England, Titular King of Castile-Leon Ear was born on 5 Mar 1340 in Abbaye St Bavon, Ghent, West Flanders, Belgium and died on 4 Feb 1399 in Leicester Castle, Leicester, Leicestershire, England.)