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
Regent of Hungary the name of Ladislaus V and given the powers of a regent. His first act as regent was to proceed against the German king Frederick III, who refused to release Ladislaus V. After ravaging Styria, Carinthia, and Carniola and threatening Vienna, Hunyadi's difficulties elsewhere compelled him to make a truce with Frederick for two years. On 20 January 1458, Matthias (son of John Hunyadi) was elected king by the Parliament. This was the first time in the medieval Hungarian kingdom that a member of the nobility, without dynastic ancestry and relationship, mounted the royal throne. Such an election upset the