 Complete the following phrase:   was the 7th daimyō of Sabae Domain and 8th hereditary chieftain of the Manabe clan. His courtesy title was Shimōsa-no-kami, and his Court rank was Junior Fifth Rank, Lower Grade, later raised to Junior Fourth Rank, Lower Grade. He was the fifth son of Manabe Akihiro, became daimyō on his uncles death in 1814. Under Shōgun Tokugawa Ieharu he served in a variety of positions in the Tokugawa shogunate, including Sōshaban, Jisha-bugyō, Osaka jōdai, Kyoto Shoshidai and rōjū. In 1858, Ii Naosuke was appointed Tairō, and Manabe was seen as his right-hand man, taking a leading role in the ratification of the 