According to a historical document (Azuma Kagami [The Mirror of the East, a chronicle of the early history of the Kamakura Bakufu]) Noriyori acted as reinforcements in the Kanto region and this is the first record of Noriyori, however because of the strength of the Oyama clan, the battle was over and Noriyori fought against the remnants.
範頼は援軍として関東での活動が初めて史料（吾妻鏡）で確認されるが、実際は戦上手の小山氏の活躍により勝敗は決しており、残党狩りに近い状態だと思われる。