Masamori's son, TAIRA no Tadamori who tracked down and killed Yoshichika was suspected, but he claimed innocence and he insisted that he would capture the murderer on his own.
かつて義親を追討した正盛の子の平忠盛も疑われたが、彼は潔白を主張し、自ら下手人を捕らえると言った。