Richard Marshal was a prominent figure in the 13th century, known for his role as a nobleman and military leader in England. He was the son of Gilbert Marshal, the 4th Earl of Pembroke, and played a significant part in the political landscape of the time, particularly during the reign of King Henry III. Marshal was a key supporter of the Barons' War, which was a conflict between the barons and the king over issues of governance and power. His efforts in the war highlighted the struggles for control and influence among the English nobility during this turbulent period in history.