was a samurai retainer beneath the clan of Oda throughout the latter

Sengoku period The was the period in History of Japan, Japanese history in which civil wars and social upheavals took place almost continuously in the 15th and 16th centuries. The Kyōtoku incident (1454), Ōnin War (1467), or (1493) are generally chosen as th ...

Feudal Japan The first human inhabitants of the Japanese archipelago have been traced to the Paleolithic, around 38–39,000 years ago. The Jōmon period, named after its cord-marked pottery, was followed by the Yayoi period in the first millennium BC whe ...

. Shigetsuna was the legitimate second son of

Gamō Sadahide Gamo may refer to: * Gamo (airgun manufacturer), a Spanish airgun manufacturer * Gamō clan (蒲生氏, Gamō-shi), a Japanese clan which claimed descent from the Fujiwara clan * Gamo people, an Ethiopian ethnic group * Gamō, Shiga (蒲生町, G ...

and was later adopted by Aochi Nagatsuna, a ''

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 no ...

'' who held residence in the Kurita District of

Ōmi Province was a Provinces of Japan, province of Japan, which today comprises Shiga Prefecture. It was one of the provinces that made up the Tōsandō Circuit (subnational entity), circuit. Its nickname is . Under the ''Engishiki'' classification system, ...

. Around the year of 1569 Shigetsuna along with his brother Gamo Katahide would both submit to the prominent

Oda Nobunaga was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period, Sengoku and Azuchi-Momoyama periods. He was the and regarded as the first "Great Unifier" of Japan. He is sometimes referred as the "Demon Daimyō" and "Demo ...

. One year following this event Shigetsuna accompanied his new lord in a campaign that would aspire for death to the defiant Asakura of

Echizen Province was a Provinces of Japan, province of Japan in the area that is today the northern portion of Fukui Prefecture in the Hokuriku region of Japan. Echizen bordered on Kaga Province, Kaga, Wakasa Province, Wakasa, Hida Province, Hida, and Ōmi Provin ...

. However, after

Azai Nagamasa was a Japanese ''daimyō'' of the Sengoku period known as the brother-in-law and enemy of Oda Nobunaga. Nagamasa was head of the Azai clan seated at Odani Castle in northern Ōmi Province and married Nobunaga's sister Oichi in 1564, fathering ...

had initially defected from his allegiance to the Oda in support of the Asakura, who were his mutual allies for many generations, the Oda army was forced into retreat and Shigetsuna would consequently lose his life defending their rear guard.Samurai Archives CEWest & FWSeal: Aochi Shigetsuna

References

Samurai 1570 deaths Year of birth unknown Gamō clan Japanese warriors killed in battle {{samurai-stub