According to the "Genpei Seisui Ki" (Rise and Fall of the Minamoto and the Taira clans), after the decline of the Taira clan, he killed TAIRA no Munemori's child, TAIRA no Yoshimune, who was a captive, on the orders of Yoshitsune.
平氏滅亡後、『源平盛衰記』では義経の命で捕虜となった平宗盛の子・平能宗を斬る。