Tokugawa shogunate | Tokugawa clan | Tokugawa Ieyasu | Tokugawa Shogunate | Tokugawa Yoshimune | Tokugawa | Tokugawa Ienobu | Tokugawa Yoshinobu | Tokugawa Tsunayoshi | Tokugawa Nariaki | Tokugawa Mitsukuni | Tokugawa Narimasa | Tokugawa Iesada | Tokugawa Ieharu | Tokugawa Fūunroku Hachidai Shōgun Yoshimune |
As an instructor at the Tokugawa bakufu's Bansho Shirabesho institute for researching Western science and technology from 1860–1868, he was one of the first Japanese to study German language and German philosophy.