John de Holand was a notable figure in the 14th century, recognized as the 1st Duke of Exeter. He was born around 1352 and was a member of the English nobility. His lineage can be traced back to the House of Holland, which played a significant role in the political landscape of England during that time. Throughout his life, John de Holand served in various military and administrative capacities. He was involved in the Hundred Years' War and held several important titles, including that of a knight. His contributions to English history are marked by his loyalty to the crown and his influence in the Lancastrian faction.