Furthermore, Masayuki SANADA of the Tokugawa side refused to surrender the Numata area of Kozuke Province to the Hojo clan and switched sides to the Uesugi clan, which brought a battle between the Sanada clan and the Tokugawa-Hojo alliance at Numata-jo Castle, Ueda, and also triggered the Numata Mondai and the Nagurumi Incident in later years.
しかも徳川についた真田昌幸が、後に上野の沼田を北条に明け渡す事を拒んで上杉氏に寝返り、上田・沼田城にて徳川・北条と抗戦することとなり、これが後の沼田問題さらに名胡桃事件の伏線となる。