Because of this, when Ii started Ansei no Taigoku (suppression of extremists by the Shogunate) to oppress the counterforce, he was ordered the abdication of the headship of the family and suspension from the office and then his younger brother Mochinaga TOKUGAWA became the 15th lord of the domain.
これが災いし、井伊が反対派に対する弾圧である安政の大獄をはじめると隠居謹慎を命じられ、弟の徳川茂徳が15代藩主となる。