Humphrey de Bohun, 4th Earl of Hereford, was a prominent English nobleman born around 1276. He was the son of Humphrey de Bohun, 3rd Earl of Hereford and Maud de Fiennes. As a member of the Bohun family, he played a significant role in the political landscape of medieval England, particularly during the reign of King Edward I. Humphrey was known for his military service and participation in various campaigns, including the Scottish Wars. He inherited the earldom in 1298 and was involved in the governance of England, serving as a loyal supporter of the crown. He died in 1322, leaving a legacy as a key figure in the English nobility.