was a Japanese

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 ...

of the

Sengoku period The was a period in History of Japan, 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 Feudalism, feudal system of Japan under the ...

. He was second son of

Miyoshi Yoshikata , other name Miyoshi Yukiyasu (三好之康) or Miyoshi Jikkyu, second son of Miyoshi Motonaga, was a Japanese samurai of the Sengoku period, who served the Miyoshi clan. His other brothers were Miyoshi Nagayoshi (first child), Atagi Fuyuyasu (t ...

who was adopted by

Sogō Kazumasa , other name Sogō Kazunari (十河和也), fourth son of Miyoshi Motonaga, was a Japanese samurai of the Sengoku period who was a member of Miyoshi clan, ''daimyō'' of Kawachi Province. Miyoshi Nagayoshi (eldest), Miyoshi Yukiyasu (second) and ...

from the Sogō clan. In 1582, Masayasu was defeated by

Chōsokabe Motochika was a prominent '' daimyō'' in Japanese Sengoku-period. He was the 21st chief of the Chōsokabe clan of Tosa Province (present-day Kōchi Prefecture), the ruler of Shikoku region. Early life and rise He was the son and heir of Chōsokabe Ku ...

`s large army during the battle of Nakatomigawa, abandoned

Shōzui Castle was a Muromachi period, Muromachi to Sengoku period Japanese castle located in the town of Aizumi, Tokushima , Aizumi, Itano District, Tokushima, Itano District, Tokushima Prefecture, Japan. Its ruins have been protected as a Historic Sites of Ja ...

and asked

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 ...

for help. In 1585, he participated in Hideyoshi's successful campaign in

Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), '' ...

against Chosokabe clan. He died during the Kyushu campaign against the

Shimazu clan The were the ''daimyō'' of the Satsuma han, which spread over Satsuma, Ōsumi and Hyūga provinces in Japan. The Shimazu were identified as one of the '' tozama'' or outsider ''daimyō'' familiesAppert, Georges ''et al.'' (1888). in contrast ...

as a result of

Sengoku Hidehisa , childhood name Gonbei (権兵衛) was a samurai warrior of the Sengoku period and the Edo period. He was the head of the Komoro Domain in Shinano Province. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d'histoire et de géographie du J ...

`s reckless actions at the

battle of Hetsugigawa The was the last battle before the Toyotomi main army's arrival on Kyūshū Campaign, Kyūshū during Japan's Sengoku period. In 1586 at Hetsugigawa (present Ōnogawa) in Bungo province Toyotomi's vanguard divisions under Chōsokabe Motochika a ...

in 1587.

References

Samurai 1533 births 1587 deaths Miyoshi clan Japanese warriors killed in battle People from Tokushima Prefecture {{Samurai-stub