《元史·列传·卷三十四》
蒙军围攻汴京，柔率军攻城西北，单骑杀入敌阵中，四进四出，金军不能抵挡。
围汴京，柔军于城西北，金兵屡出拒战。
The Mongol army besieged Bianjing, and Rou led his troops to attack the northwest of the city, charging into the enemy formation alone and breaking out four times. The Jin army was unable to resist.