Therefore, in "Azuma Kagami," the author wrote that Yoshitsune led seventy elite cavalrymen, stood at the rear side of Ichinotani (Hiyodorigoe), started his attack on the Taira clan from Hiyodorigoe, and took the Ichinotani fortress.
そのために『吾妻鏡』にも義経が勇士70騎で一ノ谷の裏山（鵯越）に立ち、鵯越から攻撃を仕掛けて一ノ谷を落としたというとしたいう記述がある。