The Tokugawa clan, which produced successive shogun rulers throughout the Edo Period (1603-1867), will hold a ceremony Jan. 29 to formally anoint its first new head in more than half a century.

From his early days as Matsudaira Motoyasu through his rise to the most powerful man in Japan as Tokugawa Ieyasu, the first of the Tokugawa Shoguns, this is the story of the man who truly unified ...