Enomoto Takeaki
Viscount Enomoto Takeaki was a samurai and admiral of the Tokugawa navy of Bakumatsuperiod Japan, who remained faithful to the Tokugawa shogunate who fought against the new Meiji government until the end of the Boshin War. He later served in the Meiji government as one of the founders of the Imperial Japanese Navy.
Enomoto was born as a member of a samurai family in the direct service of the Tokugawa clan in the Shitaya district of Edo . Enomoto started learning Dutch in the 1850s, and after Japans forced opening by Commodore Matthew Perry in 1854, he studied at the Tokugawa shogunates Naval Training Center in Nagasaki and at the Tsukiji Warship Training Center in Edo.
Source: Wikipedia