Richard de Clare, 5th Earl of Gloucester, was a prominent English nobleman born around 1190. He was the son of Richard de Clare, 4th Earl of Gloucester and Maud de Lacy. Richard played a significant role in the political landscape of medieval England, particularly during the reign of King John and the early years of King Henry III. As a powerful lord, Richard was involved in various conflicts, including the First Barons' War against King John. He was known for his loyalty to the baronial cause and was a key figure in the struggle for greater rights and governance in England. Richard de Clare died in 1262, leaving a lasting legacy in English history.