restore its status to 100,000 koku when the 7th daimyō, Matsudaira Naritaka, adopted the 14th son of Shogun Tokugawa Ienari as his heir.Matsudaira Naritami was very active in the affairs of the Tokugawa family after 1868. Naritami was also known as Matsudaira Kakudō. In the Bakumatsu period, the domain produced a number of doctors and rangaku scholars, including diplomat and legal scholar Tsuda Mamichi and future Prime Minister Hiranuma Kiichiro. In 1871 ,the domain became Tsuyama Prefecture due to the abolition of the han system. It was later incorporated into Okayama Prefecture via Hōjō Prefecture. Holdings at the end of the Edo period As with most domains in the han system, Tsuyama Domain consisted of several discontinuous territories calculated to provide the assigned kokudaka, based on periodic cadastral surveys and projected agricultural yields, g. Mimasaka Province 22 villages in Higashinanjō District 3 villages in Aida District 7 villages in Yoshino District 45 villages in Shōnan District 10 villages in Katsuhoku District 26 villages in Nishisaijō District 25 villages in Nishihōjō District 25 villages in Tohokujō District 10 villages in Kumehōjō District 32 villages in Oba District Sanuki Province 6 villages in Shōzu District 3 villages in Aida District In addition to the above, Tsuyama was in charge of administration of tenryō territories in Mimasaka: 7 villages in Tohokujō District, 27 villages in Oba District, and 32 villages in Saijō District. List of daimyō {| class=wikitable ! #||Name || Tenure || Courtesy title || Court Rank || kokudaka |- |colspan=6| Mori clan, 1603-1697 (Tozama) |- ||1||||1603 - 1634||Sakon'e-gon-chūjō (左近衛権中将)|| Junior 4th Rank, Upper Grade (従四位上)||186,500 koku |- ||2||||1634 - 1674||Dainaiki (大内記)|| Junior 4th Rank, Lower Grade (従四位下)||186,500 koku |- ||3||||1674 - 1686||Hoki-no-kami (伯耆守)|| Junior 4th Rank, Lower Grade (従四位下)||186,500 koku |- ||4||||1686 - 1697||Mimasaka-no-kami (美作守); Jijū (侍従)|| Junior 4th Rank, Lower Grade (従四位下)||186,500 koku |- ||5||||1697 - 1697||-none-|| -none-||186,500 koku |- |colspan=6| Echizen-Matsudaira clan, 1698-1871 (Shinpan) |- ||1||||1698 - 1721||Bizen-no-kami (備前守)|| Junior 4th Rank, Lower Grade (従四位下)||100,000 koku |- ||2||||1721 - 1726|| - none - || - none -|| 100,000 koku |- ||3||||1726 - 1735||Echigo-no-kami (越後守)|| Junior 4th Rank, Lower Grade (従四位下)||50,000 koku |- ||4||||1735 - 1762||Echigo-no-kami (越後守); Jijū (侍従)|| Junior 4th Rank, Lower Grade (従四位下)||50,000 koku |- ||5||||1762 - 1794||Echigo-no-kami (越後守); Jijū (侍従)|| Junior 4th Rank, Lower Grade (従四位下)||50,000 koku |- ||6||||1794 - 1805||Echigo-no-kami (越後守)|| Junior 4th Rank, Lower Grade (従四位下)||50,000 koku |- ||7||||1805 - 1831||Sakon'e-chūjō (左近衛中将)|| Junior 4th Rank,