While dominating his colleagues, the Tokuro MIYAKE family and the Matasaburo NOMURA family, Yamawaki Izumi no Kami Motoyoshi, the seventh established the Izumi school soon after the Edo period came, and was an official Tesarugaku-shi (a professional Sarugaku performer who was originally an outsider) in the Imperial Palace living in Kyoto, as well as a retainer of the Lord of Owari Domain Yoshinao TOKUGAWA.
和泉流は、江戸極初期に京都の手猿楽師（てさるがくし。素人出身の職業狂言師）として禁裏御用を勤めつつ、尾張藩主徳川義直に召し抱えられていた7世山脇和泉守元宜が、同輩の三宅藤九郎家、野村又三郎家を傘下に収めて創流した。