So, in the wake of the Kakitsu War, Mochiie seems not to have sided with Mitsusuke AKAMATSU, his head family leader, but to have sided with the punitive force of the Muromachi shogunate led by Mochitoyo YAMANA against the Akamatsu forces.
嘉吉の乱の直後も、本家である赤松満祐方には与せず、山名持豊率いる幕府側の赤松追討軍に加わったとみられる。