Duke Huan of Qi
Duke Xi reigned for 33 years and died in 698 BC. He was succeeded by his son, Duke Xiang of Qi, who would later be murdered by Duke Xi's nephew Wuzhi. Wuzhi himself was also killed soon afterward, and Duke Xi's younger son Xiaobai ascended the throne, posthumously known as Duke Huan of Qi. Qi grew strong under Duke Huan's rule and he became the first of the Five Hegemons of the Spring and Autumn period.