O-Ie Sōdō
was the 3rd "daimyō" of Miharu Domain and 5th hereditary chieftain of the Akita clan. His courtesy title was "Shinano-no-kami", and his Court rank was Junior Fifth Rank, Lower Grade. He was the eldest son of Akita Morisue. he was received in formal audience by Shōgun Tokugawa Ietsuna in 1658, and became "daimyō" on his father's death in 1676. He greatly improved the finances of the domain by sponsoring horse breeding as a local industry. He also achieved an elevation in the status of the domain from a "tozama" domain to a "fudai" domain. His wife was a daughter of Sakai Tadanao of Obama Domain. However, the death of his son and heir Norisue in 1715 greatly disturbed him, and he withdraw from all of the affairs of the domain, turning power over to a retainer, Araki Takamura. He died in 1720 and his designation of Araki's son as his successor resulted in an "O-Ie Sōdō". His grave is at the temple of Kōken-in in Miharu.