This led Yoshitada's adopted son, MINAMOTO no Tameyoshi, to attack Yoshitsuna's family and followers at Mt. Koka, where, in the end, Yoshitsuna's children killed themselves and Yoshitsuna himself was captured and exiled to Sado Island.
そのため、義忠の養子源為義は義綱の一族を甲賀山に攻め、義綱の子らは自決し、義綱も捕らえられ佐渡へ流された。