Career
His courtesy title was Kii-no-kami, later changed to Hōki-no-kami. Honda Masamori was born as the 7th son of the 5th daimyō of Tanaka Domain (Honda Masaoki). With the Meiji Restoration of 1868, the final Tokugawa Shōgun, Tokugawa Yoshinobu, surrendered his title to Emperor Meiji, and relocated from Edo to Sumpu, with the provinces of Suruga, Izu and Mikawa as his personal domains.
Tanaka Domain was included within the area of the new Shizuoka Domain, and in September 1868, Honda Masamori was ordered to relocate to the newly created Nagao Domain in Awa province, with the same nominal revenue of 40,000 koku.
In February 1869, he moved the domainal academy from Tanaka to Nagao. In June of the same year, the title of daimyō was abolished, and he became domain governor.
