Ranulf de Blondeville was a notable English nobleman in the 12th century, serving as the 4th Earl of Chester. He was born around 1170 and was a key figure during the reign of King Richard I and King John. Ranulf played a significant role in the political landscape of medieval England, often involved in military campaigns and governance. He was known for his strong connections to the Plantagenet dynasty and was a supporter of the crown. Ranulf de Blondeville's legacy includes his contributions to the development of the Chester region and his influence on the feudal system of the time.