Sogō Masayasu

Sogō Masayasu (十河存保) was a Japanese samurai of the Sengoku period. He was second son of Miyoshi Yoshikata who was adopted by the Sogō clan.

Masayasu was defeated by Chōsokabe Motochika`s large army during the battle of Nakatomigawa, abandoned Shōzui Castle and asked Toyotomi Hideyoshi for help. He died during the campaign against the Shimazu clan in battle of Hetsugigawa by Sengoku Hidehisa`s reckless operationin 1587.