According to 'Kokon Hyaku Monogartari Hyoban', there used to be an old woman living near Kameyama Province (present-day, Kameoka City, Kyoto Prefecture) who received money from parents whose children supposed to be adopted through the coordination of the old woman, but she threw these children into Hozugawa-river.
『古今百物語評判』によれば、かつて亀山（現・京都府亀岡市）近くに住む老女が、子供を人に斡旋するといって親から金を受け取り、その子供を保津川に流していた。