Buke style (samurai style) Murasakino Senke school is considered to have descended from Imasawa school inherited by the family of karo (chief retainer) of the Owari Tokugawa family.
武家流紫野千家流（むらさきのせんけりゅう）は、尾張徳川家の家老家に伝わった今沢流の系譜と考えられている。