Richard de Clare, 3rd Earl of Hertford, was a prominent English nobleman born around 1220. He was the son of Gilbert de Clare, 2nd Earl of Hertford and Alice de Lusignan. Richard inherited his title in 1262 and played a significant role in the political landscape of medieval England, particularly during the reign of King Henry III. Throughout his life, Richard was involved in various military campaigns and was a supporter of the Barons' War. He was known for his loyalty to the crown and his efforts to maintain stability in the region. Richard de Clare passed away in 1262, leaving behind a legacy as a key figure in English nobility.