According to "Azuma Kagami", an official diary (or at least equivalent to it) of the Kamakura shogunate, however, Noritsune was nothing special and was slain by Yoshisada YASUDA in the Battle of Ichi-no-tani, and his head was exposed in Kyoto.
ただし、鎌倉幕府の公式日記（またはそれに準ずるもの）の『吾妻鏡』では教経はさほど目立たない武将で、一ノ谷の戦いで安田義定の軍に討ち取られ、京都で獄門になっている。