《魏书·帝纪·卷二》
冬十月，贺铿军队未到来而敌寇已逼近，这时北部大人叔孙普洛等十三人和所有鸟丸人逃奔卫辰。
冬十月，贺驎军未至而寇已前逼，于是北部大人叔孙普洛等十三人及诸乌丸亡奔卫辰。
In the tenth lunar month of winter, He Keng's army had not yet arrived, and the enemy forces had already approached. At this time, the elder statesmen in the north, such as Shusun Puli, and the thirteen people and all the Wuhuan people fled to Weichen.