Obama Domain
was the 7th "daimyō" of the Obama Domain. He was the fifth son of Sakai Tadaoto by a concubine, and became "daimyō" in 1740 upon the death of his elder brother. HIs courtesy title was "Shuri-daiyu", and his wife was a daughter of Matsudaira Sadanori of the Takada Domain. In 1741 he was appointed simultaneously as a "sōshaban" and "jisha-bugyō", and later the same year, he became "Osaka jōdai". In 1747 his courtesy title was changed to "Sanuki-no-kami" and his court rank was increased from Lower 5th, Junior grade to Lower 4th, Junior grade. From 1752-1756 he was appointed "Kyoto Shoshidai", and he added the title of "Jijū" to his honorifics. He retired from public office in 1757, and his title was changed to "Sakyō-daifu". He died in 1775 without a male heir.