The Oie-ryu school was founded by Sanetaka SANJONISHI, and was succeeded to the high court noble Toshokuge (who was allowed to enter the Imperial Palace) as the Sanjonishi family, etc., but, was then later succeeded by officials called Jige (who were not allowed to enter the Imperial Palace).
三条西実隆を流祖とし、三条西家などの堂上公家によって継承されたが、後に地下に流れる。