The was a Japanese clan of Mutsu Province

Mutsu Province

was an old province of Japan in the area of Fukushima, Miyagi, Iwate and Aomori prefecture and the municipalities of Kazuno and Kosaka in Akita Prefecture...

 which was famous for its actions during the 16th century Sengoku Period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

. Claiming descent from Taira Masakado, the family was politically important from the early Nanbokucho Period on, especially as supporters of Ashikaga Takauji

Ashikaga Takauji

was the founder and first shogun of the Ashikaga shogunate. His rule began in 1338, beginning the Muromachi period of Japan, and ended with his death in 1358...

. Due to this connection to the man who became the first Ashikaga shogun, they became powerful fairly quickly, and by the Sengoku Period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

 were a focal point of regional authority in southern Mutsu.

The first daimyō of Nakamura was Yoshitane's son, Sōma Toshitane.

In the Boshin War, during the reign of the daimyō Tomotane, the Sōma clan were signatories to the pact that formed the Ōuetsu Reppan Domei

Ouetsu Reppan Domei

-External links:**...

.

Genealogy of the Sōma Clan Lords

1. Sōma Morotsune (1143–1205)
2. Sōma Yoshitane
   Soma Yoshitane
   ' Daimyo of the South Mutsu region, and the eldest son of Soma Moritane. 16th generation family head of the Soma clan. Yoshitane fought the Date clan many times, until his defeat in the year 1589. After Date Masamune's submission to Toyotomi Hideyoshi, Yoshitane also declared allegiance to...
   
    (?-?)
3. Sōma Tanetsuna (?-?)
4. Sōma Tanemura (?-1270?)
5. Sōma Morotane (1263?-1294?)
6. Sōma Shigetane (1283?-1337)
7. Sōma Chikatane (?-1358)
8. Sōma Taneyori (1324–1371)
9. Sōma Noritane (?-1395)
10. Sōma Tanehiro (?-?)

1. Sōma Shigetane (?-?)
2. Sōma Takatane (1424–1492)
3. Sōma Moritane
   Soma Moritane
   ' was a Japanese samurai of the Sengoku period. 15th generation head of the Soma clan. Key figure in the fighting that took place in northern Japan, especially with the Date clan. Father of Soma Yōshitane.-External links:*...
   
    (1476–1521)
4. Sōma Akitane (1508–1549)
5. Sōma Moritane
   Soma Moritane
   ' was a Japanese samurai of the Sengoku period. 15th generation head of the Soma clan. Key figure in the fighting that took place in northern Japan, especially with the Date clan. Father of Soma Yōshitane.-External links:*...
   
    (1529–1601)
6. Sōma Yoshitane
   Soma Yoshitane
   ' Daimyo of the South Mutsu region, and the eldest son of Soma Moritane. 16th generation family head of the Soma clan. Yoshitane fought the Date clan many times, until his defeat in the year 1589. After Date Masamune's submission to Toyotomi Hideyoshi, Yoshitane also declared allegiance to...
   
    (1548–1635)

Edo-era Sōma han Daimyo

1. Sōma Toshitane (1581–1625), r. 1602-1625
2. Sōma Yoshitane
   Soma Yoshitane
   ' Daimyo of the South Mutsu region, and the eldest son of Soma Moritane. 16th generation family head of the Soma clan. Yoshitane fought the Date clan many times, until his defeat in the year 1589. After Date Masamune's submission to Toyotomi Hideyoshi, Yoshitane also declared allegiance to...
   
    (1619–1651), r. 1625-1651
3. Sōma Tadatane (1637–1673), r. 1652-1673

1. Sōma Sadatane (1659–1679), r. 1673-1679
2. Sōma Masatane (1661–1728), r. 1679-1701
3. Sōma Nobutane (1677–1711), r. 1701-1709
4. Sōma Takatane (1697–1772), r. 1709-1765
5. Sōma Morotane (1734–1791), r. 1765-1783
6. Sōma Yoshitane (1765–1816), r. 1783-1801
7. Sōma Muratane (1781–1839), r. 1801-1813
8. Sōma Masutane (1796–1845), r. 1813-1835
9. Sōma Mitsutane (1819–1887), r. 1835-1865
10. Sōma Tomotane (1852–1892), r. 1865-1871

External links

• List of Soma-han daimyo
• Extensive data on the Soma clan