Fudai daimyō was a class of daimyō in the Tokugawa Shogunate of Japan who were hereditary vassals of the Tokugawa before the Battle of Sekigahara. Fudai daimyō and their descendants filled the ranks o

The Sakai clan was a Japanese samurai clan that claimed descent from the Nitta branch of the Minamoto clan, who were in turn descendants of Emperor Seiwa. Serata Arichika, a samurai of the 14th centur