Japanese clans
Ancient clan names
There are ancient-era clan names called Uji or Honsei''.Imperial Clan
- The Imperial clan - descended from Amaterasu. Its emperors and other clan members have no clan name but had been called "the royal clan" if necessary.
Four noble clans
- Minamoto clan - also known as Genji; :ja:二十一流|21 cadet branches of Imperial House of Japan.
- * Daigo Genji - descended from 60th emperor Daigo.
- * Go-Daigo Genji - descended from 96th emperor Go-Daigo.
- * Go-Fukakusa Genji - descended from 89th emperor Go-Fukakusa.
- * Go-Nijō Genji - descended from 94th emperor Go-Nijō.
- * Go-Saga Genji - descended from 88th emperor Go-Saga.
- * Go-Sanjō Genji - descended from 71st emperor Go-Sanjō.
- * Go-Shirakawa Genji - descended from 77th emperor Go-Shirakawa.
- * Juntoku Genji - descended from 84th emperor Juntoku.
- * Kameyama Genji - descended from 90th emperor Kameyama.
- * Kazan Genji - descended from 65th emperor Kazan.
- * Kōkō Genji - descended from 58th emperor Kōkō.
- * Montoku Genji - descended from 55th emperor Montoku.
- * Murakami Genji - descended from 62nd emperor Murakami.
- * Ninmyō Genji - descended from 54th emperor Ninmyō.
- * Ōgimachi Genji - descended from 106th emperor Ōgimachi.
- * Reizei Genji - descended from 63rd emperor Reizei.
- * Saga Genji - descended from 52nd emperor Saga.
- * Sanjō Genji - descended from 67th emperor Sanjō.
- * Seiwa Genji - descended from 56th emperor Seiwa; origin of many samurai clans.
- ** Kawachi Genji - also known as Genke; descended from Minamoto no Yorinobu; origin of Hitachi Genji, Ishikawa Genji ; and Kai Genji ; famous for 3 Kamakura shōguns.
- ** Settsu Genji - descended from Minamoto no Yorimitsu; origin of Tada Genji, Mino Genji and Shinano Genji.
- ** Yamato Genji - descended from Minamoto no Yorichika.
- * Uda Genji - descended from 59th emperor Uda; origin of Ōmi Genji.
- * Yōzei Genji - descended from 57th emperor Yōzei.
- Taira clan - also known as Heishi; 4 cadet branches of Imperial House of Japan.
- * Kanmu Heishi - descended from 50th emperor Kanmu; famous for Taira no Masakado.
- ** Bandō 8 Heishi - descended from Taira no Yoshifumi.
- ** Ise Heishi - also known as Heike; descended from Taira no Korehira; famous for Taira no Kiyomori.
- * Kōkō Heishi - descended from 58th emperor Kōkō.
- * Montoku Heishi - descended from 55th emperor Montoku.
- * Ninmyō Heishi - descended from 54th emperor Ninmyō.
- Fujiwara clan - descended from Fujiwara no Kamatari.
- * 4 families of Fujiwara - descended from 4 sons of Fujiwara no Fuhito.
- ** Fujiwara Hokke - northern family; descended from Fujiwara no Fusasaki.
- ** Fujiwara Kyōke - descended from Fujiwara no Maro.
- ** Fujiwara Nanke - southern family; descended from Fujiwara no Muchimaro.
- ** Fujiwara Shikike - descended from Fujiwara no Umakai.
- * Northern Fujiwara clan - also known as Ōshū Fujiwara clan; descended from Fujiwara no Hidesato.
- Tachibana clan - descended from Prince Naniwa-Ō, son of Prince Shōtoku, 2nd son of Emperor Yōmei; no direct relation to the feudal Tachibana clan
Noble clans
Native clans
- Abe clan - descended from Prince Ōhiko, son of Emperor Kōgen; no direct relation to the Abe clan of Ōshū.
- Abe clan of Ōshū - descended from Abihiko ; no direct relation to the Kōgen-descent Abe clan, famous for Abe no Hirafu and Abe no Yoritoki.
- Aya clan of Sanuki province - According to the Kojiki descended from Prince Takekaiko, grandson of Emperor Keikō.
- Hashiji clan - descended from the kami Nomi no Sukune.
- Imube clan - descended from the kami Ame no Futotama no Mikoto, and his descendant Ame no Tomi no Mikoto companion in arms of Emperor Jimmu.
- Ki clan - descended from Emperor Kōgen by the Minister Takeshi-uchi no Sukune; famous for Ki no Tsurayuki.
- Kusakabe clan - descended from 9th Emperor Kaika, or 36th Emperor Kōtoku.
- Mononobe clan - descended from the kami Nigihayahi no Mikoto, a descendant of the elder brother of Ninigi no Mikoto, great-grandfather of Emperor Jimmu; famous for Mononobe no Moriya.
- Nakatomi clan - descended from the kami Ame no Koyane no Mikoto, and his descendant Ame no Taneko no Mikoto companion in arms of Emperor Jimmu; origin of Fujiwara clan.
- Ō clan - descended from Prince Kamuyaimimi no Mikoto, son of Emperor Jimmu.
- Ochi clan - descended from Mononobe clan.
- Ōe clan - descended from Hashiji clan.
- Ōtomo clan - descended from Michi-omi no Mikoto companion in arms of Emperor Jimmu; no direct relation to the immigrant Ōtomo clan or feudal Ōtomo clan ; famous for Ōtomo no Yakamochi.
- Ozutsuki clan
- Soga clan - descended from Emperor Kōgen, by the Minister Takenouchi no Sukune; famous for Soga no Umako.
- Sugawara clan - descended from Hashiji clan; famous for Sugawara no Michizane
- Takahashi clan
Newly created noble clan
- Toyotomi clan - given to Toyotomi Hideyoshi and his family.
Immigrant clans (''Toraijin'', 渡来人)
Baekje
- Asukabe clan - descended from Buyeo Gonji, younger brother of King Munju of Baekje and son of King Gaero of Baekje.
- Fuha clan -
- Funa clan - found in the Tomb of King Muryeong
- Hayashi clan -
- Hirota clan -
- Ka clan -
- Kaguyama clan -
- Kazurai clan -
- Kikuchi clan - descended from King Seong of Baekje through Gwisil Jipsa of the Gwisil clan.
- * Akahoshi clan - cadet branch of Kikuchi clan.
- * Higo clan - cadet branch of Kikuchi clan.
- * Jô clan - cadet branch of Kikuchi clan.
- * Kai clan - cadet branch of Kikuchi clan.
- * Mirauji clan - cadet branch of Kikuchi clan.
- * Okobira clan - cadet branch of Kikuchi clan.
- * Saigo clan - cadet branch of Kikuchi clan, famous for Saigō Takamori, the "last samurai".
- * Shiki clan - cadet branch of Kikuchi clan.
- * Toyoto clan - cadet branch of Kikuchi clan.
- * Utō clan - cadet branch of Kikuchi clan.
- * Yatsushiro clan - cadet branch of Kikuchi clan.
- Kinunui clan -
- Kudara no Konikishi clan - descended from Zenkō, son of the last king of Baekje, King Uija. of the Kudara no Konikishi clan
- * Mimatsu clan - cadet branch of Kudara no Konikishi clan.
- Miyahara clan -
- Ōuchi clan - descended from Prince Imseong, third son of King Seong of Baekje.
- * Sue clan - cadet branch of Ōuchi clan.
- * Washizu clan - cadet branch of Ōuchi clan.
- * Yamaguchi clan - cadet branch of Ōuchi clan.
- Sakata clan -
- Sugano clan -
- Tsu clan -
- Yamato no Fuhito clan - descended from Prince Junda, son of King Muryeong of Baekje.
- * Takano clan - cadet branch of Yamato clan, famous for Takano no Niigasa.
Goguryeo
- Kifumi clan - descended from King Yeongnyu of Goguryeo.
- Koma clan - descended from Jakkō, son of the last of Goguryeo, King Bojang of Goguryeo.
- * Kikkawa clan - cadet branch of Koma clan.
- Kuwabara clan -
- * Inoue clan - cadet branch of Koma clan.
- Sena clan - descended from Sena no Fukutoku, son of King Yeongnyu of Goguryeo.
- Torii clan -
- Toyohara clan -
- Yasaka clan -
Silla
- Fushimaru clan -
- Hine clan -
- Itoi clan - descended from Amenohiboko, a prince of Silla who came to Japan in the 3rd or 4th century.
- Maki clan -
- Miyake clan - descended from Amenohiboko, a prince of Silla who came to Japan in the 3rd or 4th century.
- Tachibanamori clan - descended from Amenohiboko, a prince of Silla who came to Japan in the 3rd or 4th century.
- Tajima clan - descended from Amenohiboko, a prince of Silla who came to Japan in the 3rd or 4th century.
- Unabara clan -
Gaya
- Arara clan -
- Hirata clan - descended from Tsunugaarashito, a prince of Gaya.
- Karabito clan -
- Michita clan -
- Ōchi clan - descended from Tsunugaarashito, a prince of Gaya.
- Ōtomo clan -
- Shimizu clan - descended from Tsunugaarashito, a prince of Gaya.
- Tatara clan - descended from Tsunugaarashito, a prince of Gaya.
- Toyotsu clan -
China
- Hata clan - descended from Prince Yuzuki no Kimi, a descendant of Emperor Qin Shi Huang of the Chinese Qin dynasty.
- * Chōshi clan - cadet branch of Hata clan.
- * Chōsokabe clan - descended from Hata clan ; famous for Chōsokabe Motochika.
- * Fujiki clan - cadet branch of Hata clan.
- * Hakura clan - cadet branch of Hata clan.
- * Higashi clan - cadet branch of Hata clan.
- * Hirata clan - cadet branch of Hata clan.
- * Ishikawa clan - cadet branch of Hata clan.
- * Kada clan - cadet branch of Hata clan.
- * Kawakatsu clan - cadet branch of Hata clan, named after Hata no Kawakatsu.
- * Matsumuro clan - cadet branch of Hata clan.
- * Matsuo clan - cadet branch of Hata clan.
- * Matsushita clan - cadet branch of Hata clan.
- * Mikami clan - cadet branch of Hata clan.
- * Minami clan - cadet branch of Hata clan.
- * Mokusei clan - cadet branch of the Hata Clan.
- * Nishiōji clan - cadet branch of Hata clan.
- * Obata clan - cadet branch of Hata clan.
- * Ôishi clan - cadet branch of Hata clan.
- * Ōkura clan - cadet branch of Hata clan.
- * Ōnishi clan - cadet branch of Hata clan.
- * Seo clan - cadet branch of Hata clan.
- * Tōgi clan - cadet branch of Hata clan.
- * Tsuchiyama clan - cadet branch of Hata clan.
- Kawachi no Fumi clan - descended from the scholar Wani, ultimately from Emperor Gaozu of the Chinese Han dynasty.
- Koremune clan - lateral branch of the Hata clan, descended from Prince Kōman-Ō of the Chinese Qin dynasty.
- Ōtomo clan - descended from Tei, a descendant of Emperor Xian of Han; no direct relation to the native Ōtomo clan or feudal Ōtomo clan.
- Shiba clan - descended from Shiba Tatto, a saddlemaker from China.
- Takamuko clan - descended from Emperor Wen of the Chinese Cao Wei dynasty; famous for Takamuko no Kuromaro.
- Yamato no Aya clan - descended from Achi no omi, a great-grandchild of Emperor Ling of Han of the Chinese Han dynasty.
- * Akizuki clan - cadet branch of Yamato no Aya clan.
- * Haruda clan - cadet branch of Yamato no Aya clan.
- * Kawachi no Aya clan - cadet branch of Yamato no Aya clan.
- * Ōkura clan - cadet branch of Yamato no Aya clan.
- * Sakanoue clan - cadet branch of Yamato no Aya clan.
- * Tamura clan - cadet branch of Yamato no Aya clan.
- * Yamato no Fumi clan - not a branch of the Yamato no Aya clan.
Family names
- Abe clan of Mikawa - descended from Emperor Kōgen and the ancient Abe clan ; no direct relation to the Abe clan of Ōshū.
- Adachi clan - descended from Fujiwara clan.
- Akamatsu clan - descended from Murakami Genji.
- Akechi clan - cadet branch of Toki clan who descended from Seiwa Genji; famous for Akechi Mitsuhide.
- Akita clan - descended from Abe clan of Ōshū.
- Akiyama clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Akizuki clan - descended from Prince Achi no Omi of the Chinese Han dynasty.
- Amago clan - cadet branch of Sasaki clan who descended from Uda Genji.
- Amakusa clan - descended from Ōkura clan.
- Anayama clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Andō clan - descended from Abe clan of Ōshū, by Abe no Hirafu.
- Asakura clan - descended from Prince Kusakabe son of Emperor Tenmu.
- Asano clan - cadet branch of Toki clan who descended from Seiwa Genji.
- Ashikaga clan - descended from Seiwa Genji; famous for Ashikaga shogunate; no direct relation to the Fujiwara-descent Ashikaga clan
- Ashikaga clan - descended from Fujiwara Hokke; no direct relation to the Genji-descent Ashikaga clan.
- Ashina clan - cadet branch of Miura clan who descended from Kanmu Heishi.
- Aso clan - descended from Emperor Jimmu by the Ō clan.
- Asō clan - cadet branch of Utsunomiya clan who descended from Fujiwara Hokke; famous for Tarō Asō.
- Atagi clan - cadet branch of Ogasawara clan who descended from Seiwa Genji.
- Azai clan - descended from Fujiwara clan; famous for Azai Nagamasa.
- Bitō clan - descended from Fujiwara Hokke.
- Chiba clan - descended from Kanmu Heishi.
- Date clan - also known as Idate clan or Idachi clan, descended from Fujiwara Hokke; famous for Date Masamune.
- Doi clan - cadet branch of Toki clan who descended from Seiwa Genji ; no direct relation to the Heishi-descent Doi clan.
- Doi clan - descended from Kanmu Heishi; no direct relation to the Genji-descent Doi clan.
- Fuji clan - descended from Wani clan.
- Gotō clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Hachisuka clan - cadet branch of Ashikaga clan by the Shiba clan who descended from Seiwa Genji, famous for Hachisuka Masakatsu.
- Haga clan - descended from Kiyowara clan.
- Hashiba clan - also known as their honsei: Toyotomi clan ; descended from Toyotomi Hideyoshi.
- Hatakeyama clan - descended from Kanmu Heishi before 1205. After 1205 the Hatakeyama are a cadet branch of Ashikaga clan who descended from Seiwa Genji.
- Hatano clan - descended from Fujiwara Hokke.
- Hayashi clan - cadet branch of Kōno clan who descended from Prince Iyo, son of Emperor Kanmu.
- Hiki clan - descended from Fujiwara Hokke.
- Hirano clan - descended from Prince Toneri son of Emperor Tenmu, by the Kiyowara clan.
- Hisamatsu clan - cadet branch of Takatsuji family who descended from Sugawara clan.
- Hitotsuyanagi clan - cadet branch of Kōno clan who descended from Prince Iyo, son of Emperor Kanmu.
- Hōjō clan - descended from Kanmu Heishi ; no direct relation to the Later Hōjō clan or Kitajō clan ; regents of the Kamakura shogunate.
- Later Hōjō clan - also known as Hōjō clan or Go-Hōjō clan; descended from Kanmu Heishi; no direct relation to the regent Hōjō clan or Kitajō clan.
- Honma clan - also known as Homma clan or Honma clan of Sado; cadet branch of Yokoyama clan who descended from Ono no Takamura.
- * Honma clan of Sakata - cadet branch.
- Honda clan - descended from Fujiwara Hokke; famous for Honda Tadakatsu.
- Hosokawa clan - cadet branch of Ashikaga clan who descended from Seiwa Genji.
- * Hosokawa Keichō family - head family.
- * Hosokawa Tenkyū family - cadet branch.
- * Hosokawa family of Awa - cadet branch; descended from Hosokawa Akiharu.
- * Hosokawa family of Ōshū - cadet branch; descended from Hosokawa Akiuji.
- Hotta clan - descended from Emperor Kōgen, by the Minister Takeshi-uchi no Sukune.
- Ichijō family - descended from Fujiwara Hokke.
- Ichijō clan of Tosa - cadet branch of Ichijō family who descended from Fujiwara Hokke.
- Ide clan - cadet branch of Nikaidō clan who descended from Fujiwara Nanke.
- Ii clan - descended from Fujiwara Hokke; famous for Ii Naomasa and Ii Naosuke.
- Ikeda clan - descended from Seiwa Genji; no direct relation to other clans called Ikeda.
- Ikeda clan of Iyo - no direct relation to other clans called Ikeda.
- Ikeda clan of Mino - no direct relation to other clans called Ikeda.
- Ikeda clan of Sasaki - cadet branch of Sasaki clan; no direct relation to other clans called Ikeda.
- Ikeda clan of Settsu - descended from Ki clan. no direct relation to other clans called Ikeda.
- Imagawa clan - cadet branch of Ashikaga clan who descended from Seiwa Genji; famous for Imagawa Yoshimoto.
- Inaba clan - cadet branch of Kōno clan who descended from Prince Iyo, son of Emperor Kanmu.
- Inoue clan - descended from Seiwa Genji.
- * Inoue clan of Shinano - head family.
- * Inoue clan of Aki - cadet branch.
- * Inoue clan of Mikawa - cadet branch.
- Ishida clan - cadet branch of Miura clan who descended from Kanmu Heishi. famous for Ishida Mitsunari
- Ishikawa clan - also known as Ishikawa Genji; descended from Seiwa Genji.
- Ishimaki clan - descended from Fujiwara Nanke.
- Itō clan - cadet branch of Kudō clan who descended from Fujiwara Nanke.
- Junjii clan
- Kamiizumi clan - cadet branch of Fujiwara-descent Ashikaga clan who descended Fujiwara Hokke.
- Kanamaru clan - cadet branch of Takeda clan who descended from Seiwa Genji by way of Takeda Nobushige.
- Kagawa clan - descended from Kanmu Heishi.
- Kikkawa clan - cadet branch of Kudō clan who descended from Fujiwara Nanke. After the mid 16th century they are a cadet branch of the Mōri clan who descended from the Ōe clan, famous for Kikkawa Motoharu.
- Kira clan - cadet branch of Ashikaga clan who descended from Seiwa Genji; famous for Kira Yoshinaka.
- Kiso clan - descended from Seiwa Genji; famous for Minamoto no Yoshinaka.
- Kitabatake clan - descended from Murakami Genji.
- Kitajō clan - also known as Kitajō clan of Echigo or Mōri Kitajō clan; cadet branch of Mōri clan; no direct relation to the Hōjō clan or Late Hōjō clan.
- Kiyowara clan - descended from Prince Toneri, son of the Emperor Tenmu.
- Kobayakawa clan - cadet branch of Doi clan who descended from Kanmu Heishi. After the mid 16th century they are a cadet branch of the Mōri clan who descended from the Ōe clan, famous for Kobayakawa Takakage and Kobayakawa Hideaki.
- Kodama clan - descended from Fujiwara Hokke.
- Koga family - descended from Murakami Genji.
- Kōno clan - descended from Prince Iyo son of Emperor Kanmu.
- Konoe family - descended from Fujiwara Hokke. famous for Konoe Fumimaro.
- Kudō clan - descended from Fujiwara Nanke.
- Kujō family - descended from Fujiwara Hokke.
- Kuzuyama clan - cadet branch of Ozutsuki clan; famous for medical knowledge.
- Kyōgoku clan - cadet branch of Sasaki clan who descended from Uda Genji.
- Maeda clan - descended from Sugawara clan; famous for Maeda Toshiie.
- Manabe clan - descended from Fujiwara Hokke.
- Matsuda clan - cadet branch of Hatano clan who descended from Fujiwara Hokke.
- Matsudaira clan - cadet branch of Nitta clan, by the Tokugawa clan descended from Seiwa Genji ; famous for Tokugawa Ieyasu.
- Matsumae clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Matsunaga clan - descended from Fujiwara clan and retainers for the Miyoshi clan. Famous for Matsunaga Danjo Hisahide.
- Matsura clan - cadet branch of Watanabe clan who descended from Saga Genji.
- Miura clan - descended from Kanmu Heishi.
- Mikumo clan - cadet branch of Kodama clan who descended from Fujiwara Hokke.
- Miyoshi clan - cadet branch of Takeda clan, by the Ogasawara clan who descended from Seiwa Genji; no direct relation to the Fujiwara-descent Miyoshi clan ; famous for Miyoshi Nagayoshi.
- Miyoshi clan - descended from Fujiwara clan; no direct relation to the Ogasahara-descent Miyoshi clan.
- Mizuryū clan - descended from Seiwa Genji.
- Mogami clan - cadet branch of Ashikaga clan who descended from Seiwa Genji.
- Mori clan - descended from Seiwa Genji; famous for Mori Ranmaru.
- Mōri clan - descended from Ōe clan; no direct relation to the Genji-descent Mōri clan or Fujiwara-descent Mōri clan ; famous for Mōri Motonari and his sons.
- * Mōri clan of Inaba - cadet branch.
- Mōri clan - descended from Uda Genji; no direct relation to Ōe-descent Mōri clan or Fujiwara-descent Mōri clan ;
- Mōri clan - descended from Fujiwara clan ; no direct relation to Ōe-descent Mōri clan or Genji-descent Mōri clan ;
- Murakami clan - descended from Seiwa Genji.
- * Murakami clan of Inland Sea - also known as Murakami Suigun; famous for their naval forces.
- ** Murakami clan of Innoshima
- ** Murakami clan of Kurushima
- ** Murakami clan of Nōnoshima
- * Murakami clan of Shinano - also known as Shinshū Murakami clan; famous for Murakami Yoshikiyo.
- Nagao clan - descended from Kanmu Heishi; famous for Uesugi Kenshin.
- Nabeshima clan - cadet branch of Shōni clan who descended from Fujiwara Hokke.
- Niiro clan - cadet branch of Shimazu clan of the Satsuma Domain who descended from Seiwa Genji.
- Nakamura clan
- Nanbu clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Nijō family - descended from Fujiwara Hokke.
- Nitta clan - descended from Seiwa Genji; famous for Nitta Yoshisada.
- Niwa clan - cadet branch of Kodama clan who descended from Fujiwara Hokke ; no direct relation to the Isshiki-descent Niwa clan.
- Niwa clan - cadet branch of Isshiki clan who descended from Seiwa Genji; no direct relation to the Kodama-descent Niwa clan.
- Oda clan - descended from Kanmu Heishi; famous for Oda Nobunaga.
- Ōkōchi clan - descended from Seiwa Genji.
- Ōta clan - descended from Seiwa Genji; famous for Ōta Dōkan.
- Ogasawara clan - cadet branch of Takeda clan descended from Seiwa Genji.
- Ōtomo clan - descended from Fujiwara Hokke; no direct relation to the ancient Ōtomo clan or Ōtomo clan ; famous for Ōtomo Sōrin.
- Ōuchi clan - descended from Tatara clan.
- Rokkaku clan - cadet branch of Sasaki clan who descended from Uda Genji.
- Sagara clan - descended from Fujiwara Nanke.
- Saitō clan - descended from Fujiwara Hokke; famous for Saitō Dōsan.
- Sakai clan - cadet branch of Nitta clan, by the Tokugawa clan descended from Seiwa Genji.
- Sakuma clan - cadet branch of Miura clan who descended from Kanmu Heishi.
- Sanada clan - descended from Seiwa Genji ; famous for Sanada Nobushige who is more commonly known as Sanada Yukimura.
- Sanjō family - descended from Fujiwara Hokke; famous for Sanjō Sanetomi.
- Sasaki clan - descended from Uda Genji.
- Satake clan - descended from Seiwa Genji.
- Shiba clan - cadet branch of Ashikaga clan who descended from Seiwa Genji.
- Shimazu clan - also known as Satsuma Clan; descended from Seiwa Genji; famous for Shimazu Yoshihiro.
- Shinmen clan - also known as Shimmen clan; cadet branch of Akamatsu clan who descended from Murakami Genji.
- Sō clan - descended from Koremune clan.
- Sogō clan - descended from Emperor Keikō.
- Sōma clan - cadet branch of Chiba clan who descended from Kanmu Heishi.
- * Sōma clan of Ōshū - head family.
- * Sōma clan of Shimōsa - cadet branch.
- Suda clan - famous for being a clan of samurai, and martial art practitioner. While the northeastern and west-central family branch states that they are descended from the Minamoto clan through the Inoue family. While the family branch in okinawa has the legend that they are descendants of the Japanese dragon.
- Sue clan - cadet branch of Ōuchi clan who descended from Tatara clan. famous for Sue Harukata.
- Sugi clan - cadet branch of Sasaki clan who descended from Uda Genji; famous for Yoshida Shōin.
- Suwa clan - more or less unknown ancestors, many believed Suwa descended from Seiwa Genji through Minamoto no Tsunetomo.
- Tachibana clan - cadet branch of Ōtomo clan, descended from Ōtomo Yoshinao; no direct relation to the ancient Tachibana clan ; famous for Tachibana Ginchiyo and her husband Tachibana Muneshige.
- Takanashi clan - cadet branch of Inoue clan who descended from Seiwa Genji.
- Takaoka clan - descended from Uda Genji or Seiwa Genji.
- Takatsuji family - descended from Sugawara clan.
- Takatsukasa family - descended from Fujiwara Hokke.
- Takeda clan - also known as Takeda clan of Kai; descended from Seiwa Genji; famous for Takeda Shingen.
- * Takeda clan of Aki - cadet branch.
- * Takeda clan of Kazusa - cadet branch.
- * Takeda clan of Wakasa - cadet branch.
- Takenaka clan - cadet branch of Toki clan who descended from Seiwa Genji.
- Takigawa clan - descended from Ki clan or Tomo clan.
- Tanegashima clan - descended from Kanmu Heishi ; famous for production of early firearms.
- Toda clan - descended from Fujiwara Hokke.
- Toki clan - descended from the Settsu Genji, branch of Seiwa Genji.
- Tokugawa clan - descended from Tokugawa Ieyasu from Matsudaira clan; famous for Tokugawa shogunate.
- * Tokugawa Shōgun family - head family.
- ** Tokugawa family of Kōfu - descended from Tokugawa Tsunashige, 3rd son of Tokugawa Iemitsu.
- ** Tokugawa family of Tatebayashi - descended from Tokugawa Tsunayoshi.
- ** Tokugawa Yoshinobu family - descended from Tokugawa Yoshinobu.
- * Gosanke
- ** Tokugawa family of Kishū - also known as Kii Tokugawa family; descended from Tokugawa Yorinobu, 10th son of Tokugawa Ieyasu; famous for Tokugawa Yoshimune and Tokugawa Iemochi.
- ** Tokugawa family of Mito - descended from Tokugawa Yorifusa, 11th son of Tokugawa Ieyasu; famous for Tokugawa Mitsukuni.
- *** Tokugawa family of Matsudo - cadet branch of Tokugawa family of Mito.
- ** Tokugawa family of Owari - descended from Tokugawa Yoshinao, 9th son of Tokugawa Ieyasu.
- * Gosankyō
- ** Tokugawa family of Hitotsubashi - descended from Tokugawa Munetada, 4th son of Tokugawa Yoshimune.
- ** Tokugawa family of Shimizu - descended from Tokugawa Shigeyoshi, 2nd son of Tokugawa Ieshige.
- ** Tokugawa family of Tayasu - descended from Tokugawa Munetake, 2nd son of Tokugawa Yoshimune.
- Tomuro clan - descended from Fujiwara Hokke.
- Tsugaru clan - also known as Ōura clan; descended from Fujiwara Hokke.
- Tsutsui clan - descended from Fujiwara clan; famous for Tsutsui Junkei.
- Uesugi clan - descended from Fujiwara Hokke.
- * Uesugi family of Inukake - descended from Uesugi Norifuji.
- * Uesugi family of Ōgigayatsu - descended from Uesugi Shigeaki.
- * Uesugi family of Takuma - descended from Uesugi Shigeyoshi.
- * Uesugi family of Yamanouchi - descended from Uesugi Noriaki; famous for Uesugi Kenshin.
- ** Uesugi family of Fukaya - also known as Kobanawa Uesugi family; descended from Uesugi Norifusa.
- Ukita clan - descended from Kojima Takanori of Seiwa Genji; famous for Ukita Hideie.
- Urakami clan - descended from Emperor Kōgen by the Ki clan.
- Utsunomiya clan - descended from Fujiwara Hokke.
- * Utsunomiya clan of Shimotsuke - head family.
- * Utsunomiya clan of Buzen - cadet branch.
- * Utsunomiya clan of Chikugo - cadet branch.
- * Utsunomiya clan of Iyo - cadet branch.
- Wakiya clan - cadet branch of Nitta clan who descended from Seiwa Genji.
- Watanabe clan - descended from Saga Genji.
- Yagyū clan - descended from Sugawara clan; famous for their swordsmanship called Yagyū Shinkage-ryū.
- Yamana clan - cadet branch of Nitta clan who descended from Seiwa Genji.
- Yamanouchi clan - also known as Yamanouchi Sudō clan, descended from Fujiwara Hokke.
- * Yamanouchi clan of Bingo - head family.
- * Yamanouchi clan of Ōshū - cadet branch.
- * Yamanouchi clan of Tosa - cadet branch; famous for Yamauchi Kazutoyo.
- Yanagizawa clan - cadet branch of Takeda clan who descended from Seiwa Genji.
- Yūki clan - descended from Fujiwara Hokke.
- * Yūki clan of Shimousa - head family.
- * Yūki clan of Shirakawa - cadet branch.
Other clans and families
- Iwasaki family – founder of Mitsubishi
- Mitsui family – founder of Mitsui
- Sumitomo family – founder of Sumitomo; descended from Kanmu Heishi
- Abe clan
- Kamo clan
- Nakatomi clan
- Urabe clan
Ryukyu
Ryukyuan dynasties:
- Tenson Dynasty – legendary dynasty.
- Shunten Dynasty – first dynasty of Ryukyu.
- Eiso Dynasty – second dynasty of Ryukyu.
- Haniji Dynasty – kings of Hokuzan.
- Ōzato Dynasty – kings of Nanzan.
- Satto Dynasty – kings of Chūzan.
- First Shō Dynasty – kings of the Ryukyu Kingdom
- Minshi Kameya family – descended from Shō Toku, last king of the First Shō Dynasty.
- Second Shō Dynasty – kings of the Ryukyu Kingdom