《水经注·卷六》
按《故汉上谷长史侯相碑》说：侯氏是仓领的后裔，经过商、周两朝，各个支系分成不同的姓氏，有的在楚国和魏国成为著名的氏族，有的在齐国和秦国取得显要的地位；晋国大臣士劳，也是他的后代，他的食邑华阳，在现在蒲坂的北亭，就是此城。
案《故汉上谷长史侯相碑》云：侯氏出自仓颉之后，逾殷历周，各以氏分，或著楚、魏，或显齐、秦，晋卿士斯，其胄也，食采华阳，今蒲坂北亭，即是城也。
According to the Stele of the Chief Historian of the Shanggu Commandery, it is said that the Hou family is a descendant of Cang Ling, and during the Shang and Zhou Dynasties, each branch separated into a different surname, with some becoming prominent clans in the states of Chu and Wei, and others achieving great standing in the states of Qi and Qin; Shi Lao, the Grand Minister of the Jin Dynasty, was also a descendant of his, and Huayang, his feudal estate, was at Beiting in present-day Puban. That is this city.