《周书·列传·卷十七》
若干惠二十岁时，跟随尔朱荣征伐，平定河北，击败元颢，因功被拜为中坚将军。
惠年弱冠，从尔朱荣征伐，定河北，破元颢，以功拜中坚将军。
When Ruogan Hui was twenty years old, he followed Erzhu Rong to conquer Hebei, defeating Yuan Hao. For his contributions, he was appointed General of the Central Guard.