The Tokugawa shogunate, also known as the Tokugawa bakufu and the Edo bakufu, was a feudal Japanese military government which existed between 1600 and 1868. The heads of government were the shoguns. Each was a member of the Tokugawa clan. The Tokugawa shogunate ruled from Edo Castle; and the years of shogunate became known as the Edo period. This time is also called the Tokugawa period or pre-modern (Kinsei).