King John Plantagenet
John was born in March 1340 in Abbaye de St Bavon, Ghent, Flandre-Orientale, Belgium.  He died at the age of 59 on March 3rd, 1399 in Leicester Castle, Leicester, Leicestershire, England.  He was buried in St. Paul's Cathedral, London, Middlesex, England.

 Blanche Plantagenet of Lancaster
Blanche was born on March 25th, 1345 in Lancaster, Lancashire, England.  She died at the age of 24 on September 30th, 1369 in London, Middlesex, England.  She was buried in St. Paul's Cathedral, London, Middlesex, England.

 Elizabeth Plantagenet of Lancaster
Elizabeth was born before February 21st, 1363 in Leicester, England.  She died on November 24th, 1425 in Burford, Shropshire, England.

 King Henry IV of England
Henry was born in Bolingbroke Castle, Lincolnshire, England.  He died on March 20th, 1413 in Westminster Abbey, Middlesex, England.  He was buried in Canterbury Cathedral, Kent, England.