was a samurai of the

Satomi family The was a Japanese samurai clan of the Sengoku period (1467–1573) and early Edo period (1603–1868). The clan ruled Awa Province as a ''Sengoku daimyō'' and was a major military power in the Kantō region during the wars of the Nanboku ...

who fought against the

Hōjō clan The was a Japanese samurai family who controlled the hereditary title of ''shikken'' (regent) of the Kamakura shogunate between 1203 and 1333. Despite the title, in practice the family wielded actual political power in Japan during this period ...

during Japan's

Sengoku period The was a period in Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the feudal system of Japan under the Ashikaga shogunate. Variou ...

. He participated in the

Siege of Odawara (1561) The 1561 Siege of Odawara, a battle of Japan's Sengoku period, Uesugi Kenshin attacked Odawara castle, this was the first of several sieges which would befall Odawara castle, the home castle of the Hōjō clan. Background In 1559, Kenshin was ...

againts

under

Uesugi Kenshin , later known as was a Japanese ''daimyō''. He was born in Nagao clan, and after adoption into the Uesugi clan, ruled Echigo Province in the Sengoku period of Japan. He was one of the most powerful ''daimyō'' of the Sengoku period. Know ...

. Later, he was defeated by

Hōjō Ujiyasu was a ''daimyō'' (warlord) and third head of the Odawara Hōjō clan. Known as the "Lion of Sagami", he was revered as a fearsome warrior and a cunning man. He is famous for his strategies of breaking the siege from Takeda Shingen and Uesugi K ...

at the battle of Kōnodai (1564); his father, Satomi Yoshitaka, had been defeated by Ujiyasu's father,

Hōjō Ujitsuna was the son of Hōjō Sōun, founder of the Go-Hōjō clan. He continued his father's quest to gain control of the Kantō (the central area, today dominated by Tokyo, of Japan's main island). Biography In 1524, Ujitsuna took Edo Castle, wh ...

, in the battle of Kōnodai (1538). Yoshihiro also commanded forces in the 1567

battle of Mifunedai A battle is an occurrence of combat in warfare between opposing military units of any number or size. A war usually consists of multiple battles. In general, a battle is a military engagement that is well defined in duration, area, and fo ...

in which the enemy commander, Ōta Ujisuke, was killed.

Notes

References

*Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co. Samurai 1530 births 1578 deaths Satomi clan {{Samurai-stub