Japanese clans

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This is a list of Japanese clans:

Ancient-era clan names (Honsei/本姓)

Imperial House

The Imperial House - descended from the kami Amaterasu (legendary); no surnames; famous for the emperors.

Gempeitōkitsu

, 4 noble clans of ancient Japan:

Minamoto clan (源氏) - also known as Genji; 二十一流 cadet branches of Imperial House of Japan.

Daigo Genji (醍醐源氏) - descended from 60th emperor Daigo.
Go-Daigo Genji (後醍醐源氏) - descended from 96th emperor Go-Daigo.
Go-Fukakusa Genji (後深草源氏) - descended from 89th emperor Go-Fukakusa.
Go-Nijō Genji (後二条源氏) - descended from 94th emperor Go-Nijō.
Go-Saga Genji (後嵯峨源氏) - descended from 88th emperor Go-Saga.
Go-Sanjō Genji (後三条源氏) - descended from 71th emperor Go-Sanjō.
Go-Shirakawa Genji (後白河源氏) - descended from 77th emperor Go-Shirakawa.
Juntoku Genji (順徳源氏) - descended from 84th emperor Juntoku.
Kameyama Genji (亀山源氏) - descended from 90th emperor Kameyama.
Kazan Genji (花山源氏) - descended from 65th emperor Kazan.
Kōkō Genji (光孝源氏) - descended from 58th emperor Kōkō.
Murakami Genji (村上源氏) - descended from 62th emperor Murakami.
Montoku Genji (文徳源氏) - descended from 55th emperor Montoku.
Nimmyō Genji (仁明源氏) - descended from 54th emperor Nimmyō.
Ōgimachi Genji (正親町源氏) - descended from 106th emperor Ōgimachi.
Reizei Genji (冷泉源氏) - descended from 63th emperor Reizei.
Saga Genji (嵯峨源氏) - descended from 52th emperor Saga.
Sanjō Genji (三条源氏) - descended from 67th emperor Sanjō.
Seiwa Genji (清和源氏) - descended from 56th emperor Seiwa; origin of many samurai clans.

Kawachi Genji (河内源氏) - also known as Genke; descended from Minamoto no Yorinobu; origin of Hitachi Genji (常陸源氏), Ishikawa Genji (石川源氏); and Kai Genji (甲斐源氏); famous for 3 Kamakura shoguns.
Settsu Genji (摂津源氏) - descended from Minamoto no Yorimitsu; origin of Tada Genji (多田源氏), Mino Genji (美濃源氏) and Shinano Genji (信濃源氏).
Yamato Genji (大和源氏) - descended from Minamoto no Yorichika.

Uda Genji (宇多源氏) - descended from 59th emperor Uda; origin of Ōmi Genji (近江源氏).
Yōzei Genji (陽成源氏) - descended from 57th emperor Yōzei.

Taira clan (平氏) - also known as Heishi; 4 cadet branches of Imperial House of Japan.

Kammu Heishi (桓武平氏) - descended from 50th emperor Kammu; famous for Taira no Masakado.

Bandō 8 Heishi (坂東八平氏) - descended from Taira no Yoshifumi.
Ise Heishi (伊勢平氏) - also known as Heike; descended from Taira no Korehira; famous for Taira no Kiyomori.

Kōkō Heishi (光孝平氏) - descended from 58th emperor Kōkō.
Montoku Heishi (文徳平氏) - descended from 55th emperor Montoku.
Nimmyō Heishi (仁明平氏) - descended from 54th emperor Nimmyō.

Fujiwara clan (藤原氏) - descended from Fujiwara no Kamatari.

4 families of Fujiwara (藤原四家) - descended from 4 sons of Fujiwara no Fuhito.

Fujiwara Hokke (藤原北家) - northern family; descended from Fujiwara no Fusasaki.
Fujiwara Kyōke (藤原京家) - descended from Fujiwara no Maro.
Fujiwara Nanke (藤原南家) - southern family; descended from Fujiwara no Muchimaro.
Fujiwara Shikike (藤原式家) - descended from Fujiwara no Umakai.

Northern Fujiwara clan (奥州藤原氏) - also known as Ōshū Fujiwara clan; descended from Fujiwara no Hidesato.

Tachibana clan (橘氏) - descended from Prince Naniwa-Ō, son of Prince Shōtoku-Taishi (572-621), 2nd son of Emperor Yōmei; no direct relation to the feudal Tachibana clan (立花氏)

Other clans

Abe clan (阿部氏) - descended from Prince Ōhiko, son of Emperor Kōgen; no direct relation to the Abe clan of Ōshū (安倍氏).
Abe clan of Ōshū (安倍氏) - descended from Abihiko (disputed); no direct relation to the Kōgen-descent Abe clan (阿部氏), 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.
Imube clan (忌部氏) - descended from the kami Ame no Futotama no Mikoto (legendary), and his descendant Ame no Tomi no Mikoto companion in arms of Emperor Jimmu.
Hashiji clan (土師氏) - descended from the kami Nomi no Sukune (legendary).
Ki clan (紀氏) - descended from Emperor Kōgen by the Minister Takeshi-uchi no Sukune; famous for Ki no Tsurayuki.
Kusakabe clan (日下部氏) - descended from 9th Emperor Kaika, or 36th Emperor Kōtoku (disputed).
Mononobe clan (物部氏) - descended from the kami Nigihayahi no Mikoto (legendary), a descendant of the elder brother of Ninigi no Mikoto (legendary), great-grandfather of Emperor Jimmu; famous for Mononobe no Moriya.
Nakatomi clan (中臣氏) - descended from the kami Ame no Koyane no Mikoto (legendary), and his descendant Ame no Taneko no Mikoto companion in arms of Emperor Jimmu; origin of Fujiwara clan.
Ō clan (多氏) - descended from Prince Kamuyaimimi no Mikoto, son of Emperor Jimmu.
Ochi clan (越智氏) - descended from Mononobe clan.
Ōe clan (大江氏) - descended from Hashiji clan.
Ōtomo clan (大伴氏) - descended from Michi-omi no Mikoto companion in arms of Emperor Jimmu; no direct relation to the immigrant Ōtomo clan (大友氏) or feudal Ōtomo clan (大友氏); famous for Ōtomo no Yakamochi.
Sugawara clan (菅原氏) - descended from Hashiji clan; famous for Sugawara no Michizane
Soga clan (蘇我氏) - descended from Emperor Kōgen, by the Minister Takeshi-uchi no Sukune; famous for Soga no Umako.
Takahashi clan (高橋氏)

Immigrant clans

Hata clan (秦氏) - descended from Prince Yuzuki no Kimi, a descendant of Emperor Qin Shi Huang of the Chinese Qin Dynasty.
Kawachi no Aya clan (西漢氏)
Kawachi no Fumi clan (西文氏) - descended from the scholar Wani, ultimately from Emperor Gaozu of the Chinese Han Dynasty.
Koremune clan (惟宗氏) - lateral branch of the Hata clan, descended from Prince Kōman-Ō of the Chinese Qin Dynasty.
Kudara no Konikishi clan (百済王) - descended from King Uija of Baekje.
Ōkura clan (大蔵氏)
Ōtomo clan (大友氏) - descended from Chinese immigrants; no direct relation to the native Ōtomo clan (大伴氏) or feudal Ōtomo clan (大友氏).
Takamuko clan - descended from Emperor Wen of the Chinese Cao Wei Dynasty; famous for Takamuko no Kuromaro.
Tatara clan (多々良氏) - descended from Prince Rinshō, a son of King Seong of Baekje (disputed).
Yamato no Aya clan (東漢氏) - descended from Prince Achi no Omi, a grand-grandchild of Emperor Ling of Han of the Chinese Han Dynasty.
Yamato no Fumi clan (東文氏)

Feudal-era clan names (Myōji/苗字)

Abe clan of Mikawa (阿部氏) - descended from Emperor Kōgen and the ancient Abe clan (阿部氏); no direct relation to the Abe clan of Ōshū (安倍氏).
Adachi clan (安達氏) - descended from Fujiwara clan.
Akahoshi clan (赤星氏) - cadet branch of Kikuchi clan who descended from Fujiwara clan.
Akamatsu clan (赤松氏) - descended from Murakami Genji.
Akechi clan (明智氏) - cadet branch of Toki clan who descended from Seiwa Genji; famous for Akechi Mitsuhide.
Akita clan (秋田氏) - descended from Abe clan of Ōshū.
Akiyama clan (秋山氏) - cadet branch of Takeda clan who descended from Seiwa Genji.
Akizuki clan (秋月氏) - descended from Prince Achi no Omi of the Chinese Han Dynasty.
Amago clan (尼子氏) - cadet branch of Sasaki clan who descended from Uda Genji.
Amakasu clan (甘粕氏) - cadet branch of Nitta clan who descended from Seiwa Genji (disputed).
Amakusa clan (天草氏) - descended from Ōkura clan.
Anayama clan (穴山氏) - cadet branch of Takeda clan who descended from Seiwa Genji.
Andō clan - descended from Abe clan of Ōshū, by Abe no Hirafu.
Asakura clan (朝倉氏) - descended from Prince Kusakabe son of Emperor Temmu.
Asano clan (浅野氏) - cadet branch of Toki clan who descended from Seiwa Genji.
Ashikaga clan (足利氏) - descended from Seiwa Genji; famous for Ashikaga Shogunate; no direct relation to the Fujiwara-descent Ashikaga clan
Ashikaga clan (Fujiwara) (足利氏) - descended from Fujiwara Hokke; no direct relation to the Genji-descent Ashikaga clan.
Ashina clan (蘆名氏) - cadet branch of Miura clan who descended from Kammu Heishi.
Aso clan (阿蘇氏) - descended from Emperor Jimmu by the Ō clan.
Asō clan (麻生氏) - cadet branch of Utsunomiya clan who descended from Fujiwara Hokke; famous for Tarō Asō.
Atagi clan (安宅氏) - cadet branch of Ogasawara clan who descended from Seiwa Genji (disputed).
Azai clan (浅井氏) - descended from Fujiwara clan.
Bitō clan (尾藤氏) - descended from Fujiwara Hokke.
Chiba clan (千葉氏) - descended from Kammu Heishi.
Chōsokabe clan (長宗我部氏) - descended from Hata clan (disputed).
Date clan (伊達氏) - also known as Idate clan or Idachi clan, descended from Fujiwara Hokke; famous for Date Masamune.
Doi clan (土井氏) - cadet branch of Toki clan who descended from Seiwa Genji (disputed); no direct relation to the Heishi-descent Doi clan.
Doi clan (土肥氏) - descended from Kammu Heishi; no direct relation to the Genji-descent Doi clan.
Gotō clan - cadet branch of Takeda clan who descended from Seiwa Genji.
Hachisuka clan (蜂須賀氏) - cadet branch of Ashikaga clan by the Shiba clan who descended from Seiwa Genji, famous for Hachisuka Masakatsu.
Haga clan (芳賀氏) - descended from Kiyowara clan.
Hashiba clan (羽柴氏) - also known as their honsei: Toyotomi clan (豊臣氏); descended from Toyotomi Hideyoshi.
Hatakeyama clan (畠山氏) - descended from Kammu Heishi before 1205. After 1205 the Hatakeyama are a cadet branch of Ashikaga clan who descended from Seiwa Genji.
Hatano clan (波多野氏) - descended from Fujiwara Hokke.
Hayashi clan (林氏) - cadet branch of Kōno clan who descended from Prince Iyo, son of Emperor Kammu.
Hiki clan (比企氏) - descended from Fujiwara Hokke.
Hirano clan - descended from Prince Toneri son of Emperor Temmu, by the Kiyowara clan.
Hitotsuyanagi clan - cadet branch of Kōno clan who descended from Prince Iyo, son of Emperor Kammu.
Hōjō clan (北条氏) - descended from Kammu Heishi (disputed); no direct relation to the Late Hōjō clan (北条氏) or Kitajō clan (越後北条氏); regents of the Kamakura Shogunate.
Late Hōjō clan (後北条氏) - also known as Hōjō clan or Go-Hōjō clan; descended from Kammu Heishi; no direct relation to the regent Hōjō clan (北条氏) or Kitajō clan (越後北条氏).
Homma clan (本間氏) - also known as Honma clan or Homma clan of Sado; cadet branch of Yokoyama clan who descended from Ono no Takamura (disputed).

Honma clan of Sakata (酒田本間氏) - cadet branch.

Honda clan (本多氏) - descended from Fujiwara Hokke; famous for Honda Tadakatsu.
Hosokawa clan (細川氏) - cadet branch of Ashikaga clan who descended from Seiwa Genji.

Hosokawa Keichō family (細川京兆家) - head family.
Hosokawa Tenkyū family (典厩家) - cadet branch.
Hosokawa family of Awa (阿波細川氏) - cadet branch; descended from Hosokawa Akiharu.
Hosokawa family of Ōshū (奥州細川家) - cadet branch; descended from Hosokawa Akiuji.

Hotta clan - descended from Emperor Kōgen, by the Minister Takeshi-uchi no Sukune.
Ichijō family (一条家) - descended from Fujiwara Hokke.
Ichijō clan of Tosa (土佐一条氏) - cadet branch of Ichijō family who descended from Fujiwara Hokke.
Ii clan (井伊氏) - descended from Fujiwara Hokke; famous for Ii Naomasa and Ii Naosuke.
Ikeda clan (池田氏) - descended from Seiwa Genji; no direct relation to other clans called Ikeda.
Ikeda clan (伊予池田氏) - no direct relation to other clans called Ikeda.
Ikeda clan (美濃池田氏) - no direct relation to other clans called Ikeda.
Ikeda clan (池田氏) - cadet branch of Sasaki clan; no direct relation to other clans called Ikeda.
Ikeda clan (摂津池田氏) - descended from Ki clan (disputed). no direct relation to other clans called Ikeda.
Imagawa clan (今川氏) - 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 Kammu.
Inoue clan (井上氏) - descended from Seiwa Genji.

Inoue clan of Shinano (信濃井上氏) - head family.
Inoue clan of Aki (安芸井上氏) - cadet branch.
Inoue clan of Mikawa (三河井上氏) - cadet branch.

Ishida clan (石田氏) - cadet branch of Miura clan who descended from Kammu Heishi (disputed). famous for Ishida Mitsunari
Ishikawa clan (石川氏) - also known as Ishikawa Genji; descended from Seiwa Genji.
Ishimaki clan (石巻氏) - descended from Fujiwara Nanke.
Itō clan (伊東氏) - cadet branch of Kudō clan who descended from Fujiwara Nanke.
Kamiizumi clan (上泉氏) - cadet branch of Fujiwara-descent Ashikaga clan who descended Fujiwara Hokke.
Kagawa clan (香川氏) - descended from Kammu Heishi.
Kikkawa clan (吉川氏) - 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.
Kikuchi clan (菊池氏) - descended from Fujiwara clan.
Kira clan (吉良氏) - cadet branch of Ashikaga clan who descended from Seiwa Genji; famous for Kira Yoshinaka.
Kiso clan (木曾氏) - descended from Seiwa Genji; famous for Minamoto no Yoshinaka.
Kitabatake clan (北畠氏) - descended from Murakami Genji.
Kitajō clan (越後北条氏) - also known as Kitajō clan of Echigo or Mōri Kitajō clan; cadet branch of Mōri clan; no direct relation to the Hōjō clan (北条氏) or Late Hōjō clan (北条氏).
Kiyowara clan (清原氏) - descended from Prince Toneri, son of the Emperor Temmu (631-686).
Kobayakawa clan (小早川氏) - cadet branch of Doi clan who descended from Kammu 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 (児玉氏) - descended from Fujiwara Hokke.
Koga clan (久我家) - descended from Murakami Genji.
Kōno clan (河野氏) - descended from Prince Iyo son of Emperor Kammu.
Konoe family (近衛家) - descended from Fujiwara Hokke. famous for Konoe Fumimaro.
Kudō clan (工藤氏) - descended from Fujiwara Nanke.
Kujō family (九条家) - descended from Fujiwara Hokke.
Kyōgoku clan (京極氏) - cadet branch of Sasaki clan who descended from Uda Genji.
Maeda clan (前田氏) - descended from Sugawara clan. famous for Maeda Toshiie.
Matsuda clan (松田氏) - cadet branch of Hatano clan who descended from Fujiwara Hokke.
Matsudaira clan (松平氏) - cadet branch of Nitta clan, by the Tokugawa clan descended from Seiwa Genji (disputed); famous for Tokugawa Ieyasu.
Matsumae clan - cadet branch of Takeda clan who descended from Seiwa Genji;
Miura clan (三浦氏) - descended from Kammu Heishi.
Mikumo clan (三雲氏) - cadet branch of Kodama clan who descended from Fujiwara Hokke.
Miyoshi clan (三好氏) - cadet branch of Takeda clan, by the Ogasawara clan who descended from Seiwa Genji; no direct relation to the Fujiwara-descent Miyoshi clan (三吉氏); famous for Miyoshi Nagayoshi.
Miyoshi clan (三吉氏) - descended from Fujiwara clan; no direct relation to the Ogasahara-descent Miyoshi clan (三好氏).
Mogami clan (最上氏) - cadet branch of Ashikaga clan who descended from Seiwa Genji.
Mori clan (森氏) - descended from Seiwa Genji.
Mōri clan (毛利氏) - descended from Ōe clan; no direct relation to the Genji-descent Mōri clan (毛利氏) or Fujiwara-descent Mōri clan (毛利氏); famous for Mōri Motonari and his sons.

Mōri clan of Inaba (因幡毛利氏) - cadet branch.

Mōri clan (毛利氏) - descended from Uda Genji; no direct relation to Ōe-descent Mōri clan (毛利氏) or Fujiwara-descent Mōri clan (毛利氏);
Mōri clan (毛利氏) - descended from Fujiwara clan (disputed); no direct relation to Ōe-descent Mōri clan (毛利氏) or Genji-descent Mōri clan (毛利氏);
Murakami clan (村上氏) - descended from Seiwa Genji.

Murakami clan of Inland Sea (村上水軍) - also known as Murakami Suigun; famous for their naval forces.

Murakami clan of Shinano (信濃村上氏) - also known as Shinshū Murakami clan; famous for Murakami Yoshikiyo.

Nagao clan (長尾氏) - descended from Kammu Heishi; famous for Uesugi Kenshin.
Nabeshima clan (鍋島氏) - cadet branch of Shōni clan who descended from Fujiwara Hokke.
Nambu clan (南部氏) - cadet branch of Takeda clan who descended from Seiwa Genji.
Nijō family (二条家) - descended from Fujiwara Hokke.
Nitta clan (新田氏) - descended from Seiwa Genji; famous for Nitta Yoshisada.
Niwa clan (丹羽氏) - cadet branch of Kodama clan who descended from Fujiwara Hokke (disputed); no direct relation to the Isshiki-descent Niwa clan (丹羽氏).
Niwa clan (丹羽氏) - caded branch of Isshiki clan who descended from Seiwa Genji; no direct relation to the Kodama-descent Niwa clan (丹羽氏).
Oda clan (織田氏) - descended from Kammu Heishi; famous for Oda Nobunaga.
Ōta clan - descended from Seiwa Genji; famous for Ōta Dōkan.
Ogasawara clan (小笠原氏) - cadet branch of Takeda clan descended from Seiwa Genji.
Ōtomo clan (大友氏) - descended from Fujiwara Hokke; no direct relation to the ancient Ōtomo clan (大友氏) or Ōtomo clan (大伴氏); famous for Ōtomo Sōrin.
Ōuchi clan (大内氏) - descended from Tatara clan.
Rokkaku clan (六角氏) - cadet branch of Sasaki clan who descended from Uda Genji.
Sagara clan (相良氏) - descended from Fujiwara Nanke.
Saitō clan (斉藤氏) - descended from Fujiwara Hokke; famous for Saitō Dōsan.
Sakai clan (酒井氏) - cadet branch of Nitta clan, by the Tokugawa clan descended from Seiwa Genji.
Sakuma clan (佐久間氏) - cadet branch of Miura clan who descended from Kammu Heishi
Sanada clan (真田氏) - descended from Seiwa Genji (disputed); famous for Sanada Nobushige who is more commonly known as Sanada Yukimura.
Sasaki clan (佐々木氏) - descended from Uda Genji.
Satake clan (佐竹氏) - descended from Seiwa Genji.
Shiba clan (斯波氏) - cadet branch of Ashikaga clan who descended from Seiwa Genji.
Shimazu clan (島津氏) - also known as Satsuma Clan; descended from Seiwa Genji.
Shimmen clan (新免氏) - also known as Shinmen clan; cadet branch of Akamatsu clan who descended from Murakami Genji.
Sō clan (宗氏) - descended from Koremune clan.
Sogō clan (十河氏) - descended from Emperor Keikō.
Sōma clan (相馬氏) - cadet branch of Chiba clan who descended from Kammu Heishi.

Sōma clan of Ōshū (奥州相馬氏) - head family.
Sōma clan of Shimōsa (下総相馬氏) - cadet branch.

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) - descended from Seiwa Genji.
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.
Takanashi clan (高梨氏) - cadet branch of Inoue clan who descended from Seiwa Genji (disputed).
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 Kammu Heishi (disputed); famous for production of early firearms.
Toda clan (戸田氏) - descended from Fujiwara Hokke.
Toki clan (土岐氏) - descended from Seiwa Genji.
Tokugawa clan (徳川氏) - descended from Tokugawa Ieyasu from Matsudaira clan; famous for Tokugawa Shogunate.

Tokugawa Shogun 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) - descended from Tokugawa Yoshinobu.

Gosanke (徳川御三家)

Tokugawa family of Kishū (紀州徳川家) - 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 (水戸徳川家) - descended from Tokugawa Yorifusa, 11th son of Tokugawa Ieyasu; famous for Tokugawa Mitsukuni.

Tokugawa family of Matsudo (松戸徳川家) - cadet branch of Tokugawa family of Mito.

Tokugawa family of Owari (尾張徳川家) - descended from Tokugawa Yoshinao, 9th son of Tokugawa Ieyasu.

Gosankyo (御三卿)

Tokugawa family of Hitotsubashi (一橋徳川家) - descended from Tokugawa Munetada, 4th son of Tokugawa Yoshimune.
Tokugawa family of Shimizu (清水徳川家) - descended from Tokugawa Shigeyoshi, 2nd son of Tokugawa Ieshige.
Tokugawa family of Tayasu (田安徳川家) - descended from Tokugawa Munetake, 2nd son of Tokugawa Yoshimune.

Tsugaru clan (津軽氏) - also known as Ōura clan; descended from Fujiwara Hokke.
Tsutsui clan (筒井氏) - descended from Fujiwara clan; famous for Tsutsui Junkei.
Uesugi clan (上杉氏) - descended from Fujiwara Hokke.

Uesugi family of Inukake (犬懸上杉家) - descended from Uesugi Norifuji.
Uesugi family of Ōgigayatsu (扇谷上杉家) - descended from Uesugi Shigeaki.
Uesugi family of Takuma (宅間上杉家) - descended from Uesugi Shigeyoshi.
Uesugi family of Yamanouchi (山内上杉家) - descended from Uesugi Noriaki; famous for Uesugi Kenshin.

Uesugi family of Fukaya (深谷上杉家) - also known as Kobanawa Uesugi family; descended from Uesugi Norifusa.

Ukita clan (宇喜多氏) - descended from Kojima Takanori of Seiwa Genji; famous for Ukita Hideie.
Urakami clan (浦上氏) - descended from Emperor Kōgen by the Ki clan.
Utsunomiya clan (宇都宮氏) - descended from Fujiwara Hokke.

Utsunomiya clan of Shimotsuke (下野宇都宮氏) - head family.
Utsunomiya clan of Buzen (豊前宇都宮氏) - cadet branch.
Utsunomiya clan of Chikugo (筑後宇都宮氏) - cadet branch.
Utsunomiya clan of Iyo (伊予宇都宮氏) - cadet branch.

Wakiya clan (脇屋氏) - cadet branch of Nitta clan who descended from Seiwa Genji.
Watanabe clan - descended from Emperor Saga.
Yagiū clan (柳生氏) - descended from Sugawara clan; famous for their swordsmanship called Yagyū Shinkage-ryū.
Yamana clan (山名氏) - cadet branch of Nitta clan who descended from Seiwa Genji.
Yamanouchi clan (山内氏) - also known as Yamanouchi Sudō clan , descended from Fujiwara Hokke.

Yamanouchi 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.

Yanagizawa 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.

Other clans and families

Eiso Dynasty (英祖王統) - first dynasty of Okinawa.
Haniji Dynasty (怕尼芝王統) - kings of Hokuzan.
Minshi Kameya family (明氏亀谷家) - descended from Shō Tokuō, 7th king of Ryukyu Kingdom.
Ōzato Dynasty (大里王統) - kings of Nanzan.
Satto Dynasty (察度王統) - kings of Chūzan.
1st Shō Dynasty (第一尚氏) - kings of Ryukyu Kingdom.
2nd Shō Dynasty (第二尚氏) - kings of Ryukyu Kingdom.
Shunten Dynasty (舜天王統) - legendary dynasty.

Iwasaki family (岩崎家) - founder of