In 1355 he was summoned to join the army of the Black Prince in the French campaign and in 1356 was present in the English victory at Poitiers. On his return he was called to the House of Lords. In 1359 he was with Edward III in France on his campaign to claim the French throne which ended with Peace of Brétigny the following year. He was present at other French campaigns in 1365 and 1368, and in the latter year was admitted to the Order of the Garter to fill the empty place caused by the death of Lionel of Antwerp, 1st Duke of Clarence.