《史记·七十列传·滑稽列传》
汉武帝时，大将军卫青是卫皇后的哥哥，被封为长平侯。
武帝时，大将军卫青者，卫后兄也，封为长平侯。
During Emperor Wu of Han's reign, Grand General Wei Qing was the elder brother of Empress Wei, he was granted the title Marquess Changping.