The Chiba clan (千葉氏 ''Chiba-shi'') was a Japanese ''

gōzoku , in Japanese, refers to powerful regional families. In historical context, it can refer to powerful non-royal families regardless of their area of influence, in contrast to the Imperial Family. The most powerful ''gōzoku'' families of the Yamat ...

'' and

samurai were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century until their abolition in 1876. They were the well-paid retainers of the '' daimyo'' (the great feudal landholders). They h ...

family descending from the

Taira clan The Taira was one of the four most important clans that dominated Japanese politics during the Heian, Kamakura and Muromachi Periods of Japanese history – the others being the Fujiwara, the Tachibana, and the Minamoto. The clan is divided ...

. The clan was founded by

Chiba Tsunetane Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on ...

, the son of

Taira no Tadatsune was a chieftain of the Taira clan in the early 11th century, and predecessor of the Chiba clan. He was also, for a time, Governor of Shimōsa and Vice-Governor of Kazusa Provinces, and manager of the Grand Shrine of Ise in fact if not in name. ...

. The Chiba governed in

Shimōsa Province was a province of Japan in the area modern Chiba Prefecture, and Ibaraki Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Shimōsa''" in . It lies to the north of the Bōsō Peninsula (房総半島), whose name takes its first ''kanji'' from ...

, and the clan was based in present-day

Chiba City is the capital city of Chiba Prefecture, Japan. It sits about east of the centre of Tokyo on Tokyo Bay. The city became a government-designated city in 1992. In June 2019, its population was 979,768, with a population density of 3,605 people p ...

. Additionally, for a period, the clan controlled the Sōma Manor that extended into present-day Ibaraki. After the establishment of the

Kamakura shogunate The was the feudal military government of Japan during the Kamakura period from 1185 to 1333. Nussbaum, Louis-Frédéric. (2005)"''Kamakura-jidai''"in ''Japan Encyclopedia'', p. 459. The Kamakura shogunate was established by Minamoto no Y ...

, the head of the Chiba clan became the hereditary

shugo , commonly translated as “(military) governor,” “protector,” or “constable,” was a title given to certain officials in feudal Japan. They were each appointed by the ''shōgun'' to oversee one or more of the provinces of Japan. The pos ...

governor of Shimōsa Province.

Origin

The Chiba clan descends from the 8th century

Emperor Kanmu , or Kammu, was the 50th emperor of Japan, Imperial Household Agency (''Kunaichō'') 桓武天皇 (50) retrieved 2013-8-22. according to the traditional order of succession. Kanmu reigned from 781 to 806, and it was during his reign that the sco ...

through the sequence of Imperial Prince Kazurahara (786-853) — Prince Takami —

Taira no Takamochi Taira no Takamochi (平高望), born Prince Takamochi (高望王), was a former member of the Imperial Family demoted to nobility of the Heian period. He is the founder of the Taira clan and the Kanmu Heishi lineage of the clan. Life Prince T ...

— Muraoka Yoshifumi — Muraoka Tadayori — Chiba Tadatsune —

Chiba Tsunemasa Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on t ...

—

Chiba Tsunenaga Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on t ...

—

Chiba Tsunekane Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on t ...

—

Chiba Tsuneshige Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on t ...

—

Azuma Taneyori Azuma may refer to: Places * Azuma, historical name for eastern Japan, now called Kantō and Tōhoku region * Azuma, Gunma (Agatsuma), former village in Agatsuma District, Gunma Prefecture, Japan * Azuma, Gunma (Sawa), former village in Sawa Di ...

. The

Emperor Go-Daigo Emperor Go-Daigo (後醍醐天皇 ''Go-Daigo-tennō'') (26 November 1288 – 19 September 1339) was the 96th emperor of Japan, Imperial Household Agency (''Kunaichō'')後醍醐天皇 (96) retrieved 2013-8-28. according to the traditional order ...

authorized the head of Chiba family,

Chiba Sadatane Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on t ...

, as chief ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...

'' and

of the

Kantō region The is a geographical area of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba and Kanagawa. Slight ...

. The clan settled in the Shimōsa area in the early 12th century. The Chiba came into conflict with

Minamoto no Yoshitomo (1123 – 11 February 1160) was the head of the Minamoto clan and a general of the late Heian period of Japanese history. His son Minamoto no Yoritomo became ''shōgun'' and founded the Kamakura shogunate, the first shogunate in the history of ...

during the 1140s over estates in present-day

Chiba Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Chiba Prefecture has a population of 6,278,060 (1 June 2019) and has a geographic area of . Chiba Prefecture borders Ibaraki Prefecture to the north, Saitama Prefecture to the ...

. The Chiba, however, came to support Yoshitomo in the

Hōgen Rebellion In Japanese, Hōgen may refer to several words. Among them: * Hōgen (era) (保元, 1156–1159), an era in Japan * Hōgen rebellion, a short civil war in 1156 * dialect (方言) — for example: "eigo no hōgen" (English dialect) See also * ...

(1156).

Genpei War

During the

Genpei War The was a national civil war between the Taira and Minamoto clans during the late Heian period of Japan. It resulted in the downfall of the Taira and the establishment of the Kamakura shogunate under Minamoto no Yoritomo, who appointed himself ...

(1180–1185) the Chiba clan, as well as the Hōjō, Miura, and Doi clans, opposed the greater 'core' Taira clan and supported

Minamoto no Yoritomo was the founder and the first shogun of the Kamakura shogunate of Japan, ruling from 1192 until 1199.Nussbaum, Louis-Frédéric. (2005). "Minamoto no Yoriie" in . He was the husband of Hōjō Masako who acted as regent (''shikken'') after his ...

. Chiba Tsunetane, clan chief of the period, won Yoritomo’s trust and helped establish the Kamakura shogunate. The power of the clan increased in this period, but ultimately declined during the

Muromachi period The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by t ...

(1336–1573).

Later history

The Chiba clan was completely conquered by

Toyotomi Hideyoshi , otherwise known as and , was a Japanese samurai and ''daimyō'' (feudal lord) of the late Sengoku period regarded as the second "Great Unifier" of Japan.Richard Holmes, The World Atlas of Warfare: Military Innovations that Changed the Cour ...

before the establishment of the

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

. Many descendants of the Chiba clan live in Chiba Prefecture today. Chiba Castle, reconstructed in 1967, is built on the site of Inohana Castle, a fortification of the clan.

References

{{Reflist Taira clan