Tozama daimyō was a class of powerful magnates or daimyō considered to be outsiders by the ruler of Japan during the Edo period. Tozama daimyō were classified in the Tokugawa shogunate as daimyō who b
Matsumae Takahiro, the only tozama daimyō to become an Elder or rōjū (老中) during the Edo period (江戸時代)