clan who descended from Kanmu Heishi. Sōma clan of Ōshū (奥州相馬氏) – head family. Sōma clan of Shimōsa (下総相馬氏) – cadet branch. Suda clan (:ja:須田) – famous for being a clan of samurai, and martial art practitioners. While the northeastern and west-central family branches state that they are descended from the Minamoto clan through the Inoue family, the family branch in Okinawa has the legend that they are descendants of the Japanese dragon (Nihon ryū). Sue clan (陶氏) – cadet branch of Ōuchi clan who descended from Tatara clan. famous for Sue Harukata. Sugi clan (杉氏) – cadet branch of Sasaki clan who descended from Uda Genji; famous for Yoshida Shōin. Suwa clan (諏訪氏) – more or less unknown ancestors, many believed Suwa descended from Seiwa Genji through Minamoto no Tsunetomo. Tachibana clan (立花氏) – cadet branch of Ōtomo clan, descended from Ōtomo Yoshinao; no direct relation to the ancient Tachibana clan (橘氏); famous for Tachibana Ginchiyo and her husband Tachibana Muneshige. Takanashi clan (高梨氏) – cadet branch of Inoue clan who descended from Seiwa Genji (disputed). Takaoka clan (高岡氏) – descended from Uda Genji or Seiwa Genji. Takatsuji family (高辻家) – descended from Sugawara clan. Takatsukasa family (鷹司家) – descended from Fujiwara Hokke. Takeda clan (武田氏) – also known as Takeda clan of Kai; descended from Seiwa Genji; famous for Takeda Shingen. Takeda clan of Aki (安芸武田氏) – cadet branch. Takeda clan of Kazusa (上総武田氏) – cadet branch. Takeda clan of Wakasa (若狭武田氏) – cadet branch. Takenaka clan (竹中氏) – cadet branch of Toki clan who descended from Seiwa Genji. Takigawa clan (滝川氏) – descended from Ki clan or Tomo clan (disputed). Tanegashima clan (種子島氏) – descended from Kanmu Heishi (disputed); famous for production of early firearms. To clan (東氏) – cadet branch of the Chiba clan who descend from the Taira clan. Toda clan (戸田氏) – descended from Fujiwara Hokke. Tōdō clan (藤堂氏) – clan of humble origins founded by Tōdō Takatora, who was a highly trusted commander under Toyotomi Hideyoshi and Tokugawa Ieyasu. Toki clan (土岐氏) – descended from the Settsu Genji, branch of Seiwa Genji. Tokugawa clan (徳川氏) – descended from Tokugawa Ieyasu from Matsudaira clan; famous for Tokugawa shogunate. Tokugawa Shōgun family (徳川将軍家) – head family. Tokugawa family of Kōfu (甲府徳川家) – descended from Tokugawa Tsunashige, 3rd son of Tokugawa Iemitsu. Tokugawa family of Tatebayashi (館林徳川家) – descended from Tokugawa Tsunayoshi. Tokugawa Yoshinobu family (徳川慶喜家)