It is presumed that around the middle of the 6th century during the Kinmei Dynasty that the toraijin (people from overseas, especially from China and Korea, who settled in early Japan and introduced Continental culture to the Japanese) were the first to be controlled with the use of family registers.
とあり、6世紀の中頃、欽明朝頃には、まず渡来人を戸籍によって支配したことが窺われる。