Shogun

The shogun was the title of the military rulers of Japan from 1185 to 1868, with the shoguns holding de facto power in the country despite being nominally appointed by the Emperor. The office of shogun was usually hereditary, with the title being held by members of various clans throughout Japanese history, including the Minamoto, Fujiwara, and imperial lineages. The shoguns were the leaders of the samurai class and their administration, known as the bakufu, carried out the actual duties of administration while the imperial court retained only nominal authority.learn more on wikipedia