John Plantagenet
John was born on June 24th, 1340 in Abbaye de St. Bavon, Ghent, Flandre-Orientale, Belgium.  He died in Leicester Castle, Leicestershire, England.  He was buried in St. Paul's Cathedral, London, Middlesex, England.

 Cathrine Swynford de Roelt
Cathrine Swynford was born in 1350 in Picardy, Somme, France.  She died at the age of 53 on May 10th, 1403.

 John Beaufort
John was born about 1370 in Beaufort Castle, Anjou, France.  He died on April 21st, 1410 in England.  He was buried in Canterbury Cathedral, Canterbury, Kent.

 Henry de Beaufort
Henry was born about 1375 in Beaufort Castle, Anjou, France.  He died on April 11th, 1447 in Westchester, England.

 Thomas Beaufort
Thomas was born about 1377.

 Joan de Beaufort
Joan was born in 1379 in Beaufort Castle, Anjou, France.  She died at the age of 61 on November 13th, 1440 in Howden, Yorkshire, England.