Du Yu 杜預 (222-284) of the Western Jin dynasty was an eye-witness of the Zhushu jinian 竹書紀年 Bamboo Annalsshortly after the bamboo-slips on which it was written were brought to the Jin capital in about 280. He provided the earliest description of the text's contents, stating that the Eastern Zhou portion dealing with the state of Jin "began from Shangshu (784-781 BCE), and then proceeded through Wen Hou (780-746 BCE), Zhao Hou (745-740 BCE), until Zhuangbo of Quwo (730-716 BCE)." In this paper, I show that the tomb text was not arranged in this way at all, but rather began the Jin portion of the annals with Huanshu of Quwo (745-731 BCE), such that the Jin annals began with the reigns of the Quwo lords. Although the "Current" Bamboo Annals text for this period is dated in the years of the Zhou kings, Ping Wang (770-720 BCE) and Huan Wang (719-697 BCE), the records for Jin reflect the viewpoint of the Quwo lords, and thus presumably derive from the tomb text.