The role of the samurai daisho was recognized since the Genpei War in the Heian period, and it is known that there was a samurai daisho called Go ITO(伊藤五)in the Taira's army, and so on.
侍大将という役割は平安時代、源平合戦の頃より見られ、平家軍の伊藤五なる侍大将がいたことなどが知られる。