clan of Bingo (備後山内氏) – head family. Yamanouchi clan of Ōshū (奥州山内氏) – cadet branch. Yamanouchi clan of Tosa (土佐山内氏) – cadet branch; famous for Yamauchi Kazutoyo. Yanagisawa clan – cadet branch of Takeda clan who descended from Seiwa Genji. Yonekura clan – cadet branch of Takeda clan who descended from Seiwa Genji. Yūki clan (結城氏) – descended from Fujiwara Hokke. Yūki clan of Shimousa (下総結城氏) – head family. Yūki clan of Shirakawa (白河結城氏) – cadet branch. Zaibatsu Zaibatsu were the industrial and financial vertically integrated business conglomerates in the Empire of Japan, whose influence and size allowed control over significant parts of the Japanese economy from the Meiji period until the end of World War II. Iwasaki family (岩崎家) – founder of Mitsubishi; descended from Takeda clan from Seiwa Genji Mitsui family (三井家) – founder of Mitsui; descended from Fujiwara Hokke. However, Mitsui Takatoshi's great-great grandfather's father was originally from the Rokkaku clan and had married into the early Mitsui family. Sumitomo family (住友家) – founder of Sumitomo; descended from Kanmu Heishi Sacerdotal clans Abe clan Kamo clan Nakatomi clan Urabe clan Ryukyu Ryukyuan people are not Yamato people, but the Ryukyu Islands have been part of Japan since 1879. Ryukyuan dynasties: Tenson Dynasty (天孫王朝) – legendary dynasty (ended 12th century) Shunten Dynasty (舜天王統) – first dynasty of Ryukyu (1187–1259) Eiso Dynasty (英祖王統) – second dynasty of Ryukyu (1260–1354) Haniji Dynasty (怕尼芝王統) – kings of Hokuzan (1314–1416) Ōzato Dynasty (大里王統) – kings of Nanzan (1314–1429) Satto Dynasty (察度王統) – kings of Chūzan (1355–1407) First Shō Dynasty (第一尚氏) – kings of the Ryukyu Kingdom (1407–1469) Minshi Kameya family (明氏亀谷家) – descended from Shō Toku, last king of the First Shō Dynasty. Second Shō Dynasty (第二尚氏) – kings of the Ryukyu Kingdom (1469–present) Toraijin (渡来人) Torajin is used to describe migrants in many contexts, from the original migration of a Yamato peoples to more recent migrants. According to the book Shinsen Shōjiroku compiled in 815, a total 326 out of 1,182 families in the Kinai area on Honshū were regarded as people with foreign genealogy. The book specifically mentions 163 were from China, 104 such families from Baekje, 41 from Goguryeo, 9 from Silla, and 9 from Gaya. These families are not inheritnly considered noble, but rather notable Baekje Asukabe clan (飛鳥部氏) – descended from Buyeo Gonji, younger brother of King Munju of Baekje and son of King Gaero of Baekje.