Joan of Navarre was born about 1370 in Pamplona. She was the daughter of Charles II King of Navarre. She married Henry IV King of England, son of John of Gaunt Duke of Lancast. and Blanche of Lancaster, on February 7, 1403 in Winchester, Cathedral, London, England. She married John V de Montfort Duke of Brittany on September 11, 1386 in Saille, Near Guerrand. She died on July 9, 1437 in Havering atte, Bower, Essex, England. She was buried in Canterbury, Cathedral, England.