《汉书·传·李广苏建传》
匈奴侵入上郡，天子派中贵人跟随李广统率亲兵抗击匈奴。
匈奴侵上郡，上使中贵人从广勒习兵击匈奴。
The Xiongnu invaded Shangjun Prefecture, and the emperor sent a nobleman to accompany Li Guang to lead the imperial guards to resist the Xiongnu.