 and many of his retainers (who later became "daimyōs" under the Tokugawa shogunate) were natives of Owari, including Toyotomi Hideyoshi and Katō Kiyomasa.Under Tokugawa Ieyasu, the province was assigned as a feudal domain to his ninth son, Tokugawa Yoshinao with official revenues of 619,500 "koku", the largest domain in the Tokugawa clan holdings outside of the shogunate itself.Yoshinao was founder of the Owari Tokugawa clan, one of the "Gosanke", which had the hereditary right of succession to the position of "shōgun" should the main line fail.