John Plantagenet
John was born on June 24th, 1340 in Abbaye St. Bavon, Ghent, Flanders, Belgium, Netherlands.  He died at the age of 58 on February 3rd, 1399 in Castle, Leicester, Leicestershire, England.  He was buried on March 15th, 1399 in St. Paul's Cathedral, London, Middlesex, England.

 Catherine Swynford De Roet
Catherine Swynford was born in 1350 in Picardy, Somme, France.  She died at the age of 53 on May 10th, 1403 in Lincoln, Lincolnshire, England.  She was buried in Lincoln Catheral, Lincoln, Lincolnshire, England.

 Joan De Beaufort
Joan was born about 1375 in Chateau De Beaufort, Meuse-et-Loire, France.  She died on November 13th, 1440 in Howden, Yorkshire, England.  She was buried in Lincoln Catheral, Lincoln, Lincolnshire, England.