The crackdown on Tairo (chief minister) Nosuke II forced Yoshikatsu to be secluded and the Kanetetsu group was on decline and under the new lord of the domain Mochinaga TOKUGAWA, Takenokoshi Hyobu shoyu took domain duties, but after the Sakuradamongai no Hen (The Incident Outside the Sakurada-mon Gate), Takenokoshi Hyobu shoyu was toppled and Yoshikatsu advanced to administration of the domain though he was in retirement and he often went to the capital (Kyoto) with the Kanetetsu group to take the helm of state.
大老井伊直弼の弾圧により慶勝が隠居すると、金鉄組は没落し、竹腰兵部少輔が新藩主徳川茂徳のもとで藩政を取り仕切ったが、桜田門外の変以降竹腰兵部少輔は失脚、慶勝が隠居の身ながら藩政の前面に出、金鉄組とともに頻繁に上洛して政局にあたった。