was the 3rd daimyō of Tsuruga Domain in Echizen Province under the Edo period Tokugawa shogunate. Tadatake was the third son of Sakai Tadagiku. He was received in formal audience by Shōgun Tokugawa Yoshimune in 1715 and became daimyō on the death of his father in 1722. His courtesy title was Ukyō-no-suke. However, he was relieved of office due to a fire which burned down the clan residence in 1723. He died without heir in 1731.
