《北史·列传·卷六十三》
出仕周朝，曾奉命出使邓至国和黑水、龙涸等羌族部落，前后投降归附的部落有三十多个。
仕周，尝奉使邓至国及黑水、龙涸诸羌，前后降附三十余部。
During his service in the Zhou Dynasty, he was sent on a diplomatic mission to the countries of Dengzhi, Heishui, and Longhe, and more than 30 tribes surrendered to the Zhou Dynasty.