Satomi clan


Tateyama Castle, erected in 1580 by Satomi Yoshiyori
Home province Kōzuke Province, Awa Province
Parent house Seiwa Genji, Nitta clan
Titles various
Founder Satomi Yoshitoshi
Final ruler Satomi Tadayoshi
Founding year 13th century
Ruled until 1622
In this Japanese name, the family name is Satomi.

The Satomi clan (里見氏 Satomi-shi) was a clan of the Sengoku period (1467–1573) and early Edo period (1603–1868). The Satomi claimed descent from the Seiwa Genji clan. Nitta Yoshishige (d. 1202), whose son Yoshitoshi took 'Satomi' as his surname.[1][2]

Awa Satomi clan

The Satomi moved from Kōzuke Province in present-day Gunma Prefecture to Awa Province in present-day southern Chiba Prefecture in the mid-15th century. From this period the clan became known as the Awa Satomi clan.

During the Sengoku period the Satomi were forced to submit to the overlordship of Hōjō Ujitsuna in 1539. The remainder of the period saw the clan battle the Late Hōjō, Takeda, and Imagawa clans. The Satomi were involved in the First Battle of Kōnodai (1538) and the Second Battle of Kōnodai (1564).[3]

The Satomi fought under both Oda Nobunaga and Tokugawa Ieyasu. At the beginning of the Edo period the clan was named the daimyo of Awa Province with a holding of 120,000 koku.[3] The Satomi fell afoul of the Tokugawa shogunate early in the Edo period. The clan was implicated in the Ōkubo Nagayasu Incident of 1614. The daimyo Satomi Tadayoshi (1594 1622) was banished to Hoki Province in present-day Tottori Province, and had his holdings reduced to 30,000 koku. Tadayoshi had no heir, and the clan died out with his death.[2]

Notable members of the Satomi


  1. "里見氏" [Satomi clan]. Kokushi Daijiten (in Japanese). Tokyo: Shogakukan. 2012. OCLC 683276033. Retrieved 2012-08-15.
  2. 1 2 "里見氏" [Satomi clan]. Nihon Daihyakka Zensho (Nipponika) (in Japanese). Tokyo: Shogakukan. 2012. OCLC 153301537. Retrieved 2012-08-15.
  3. 1 2 "Sengoku Biographical Dictionary". Samurai Archives. 2005. Retrieved Aug 15, 2012.

Further reading

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