《史记·七十列传·卫将军骠骑列传》
将军赵破奴原来是九原人，曾经逃到匈奴，后来又回归汉朝，当了骠骑将军霍去病的司马。
将军赵破奴，故九原人。尝亡入匈奴，已而归汉，为骠骑将军司马。
General Zhao Ponu was originally from Jiuyuan. He had previously fled to the Xiongnu, but later returned to the Han dynasty and became a military advisor to the General of the Flying Cavalry, Huo Qubing.