John of Gaunt John of Gaunt John of Gaunt, Duke of Lancaster (6 March 13403 February 1399) was an English prince, military leader, and statesman. He was the third of the five sons of King Edward III of England who survived to adulthood. Due to his royal origin, advantageous marriages, and some generous land grants, Gaunt was one of the richest men of his era, and an influential figure during the reigns of both his father, Edward, and his nephew, Richard II. As Duke of Lancaster, he is the founder of the royal House of Lancaster, whose members would ascend to the throne
English claims to the French throne Capetian dynasty, was ultimately victorious and retained control of France. Despite this, English and British monarchs continued to prominently call themselves kings of France, and the French fleur-de-lys were included in the royal arms. This continued until 1801, by which time France no longer had any monarch, having become a republic. The Jacobite claimants, however, did not explicitly relinquish the claim. The title was first assumed in 1340 by Edward III of England, the Kingdom of England being ruled by the French Plantagenet dynasty at the time. Edward III claimed the throne of France after the death of his uncle