Richard de Clare, 3rd Earl of Gloucester, was a prominent English nobleman born around 1162. He was the son of Richard de Clare, 2nd Earl of Gloucester and Adeliza de Lacy. Richard played a significant role in the political landscape of medieval England, particularly during the reign of King Henry II and King Richard I. He was known for his military involvement and support of the crown. In 1189, Richard de Clare inherited the title of Earl of Gloucester after his father's death. He was also a key figure in the Angevin Empire, which included territories in England and France. His marriage to Isabel de Clare further strengthened his influence and connections among the nobility.