It is believed that Genzaemon SANO (year of birth and death unknown) was a warrior from Sano manor in Kozuke Province during the middle of the Kamakura period.
佐野源左衛門（さのげんざえもん、生没年不詳）は鎌倉時代中期の上野国佐野庄の武士だったとされる人物。