Sasaki Kojirō (佐々木 小次郎?, also known as Ganryū Kojirō) (1585? – April 13, 1612), often anglicised to Kojirō Sasaki, was a prominent Japanese swordsman widely considered a Kensei, born in Fukui Prefecture. He lived during the Sengoku and early Edo periods and is most remembered for his death while battling Miyamoto Musashi in 1612.
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