Hanpeita TAKECHI, who learned of Izo's arrest, wrote in a letter to his home, 'it is better for such a fool to die soon, and how his parents would lament over him for returning unashamedly to his hometown,' which indicates his ill feeling towards Izo.
以蔵が捕縛されたと知った武市半平太は、実家への手紙で「あのような安方（あほう）は早々と死んでくれれば良いのに、おめおめと国許へ戻って来て、親がさぞかし嘆くであろう」と、以蔵に良い感情を持っていなかったことが伺われる。