《元史·列传·卷三十五》
乙亥年蒙军南下时，归降于国王木华黎。太祖十四年，提升他为知中山府事，佩金虎符。
岁乙亥，国王木华黎帅兵南下，俊遂降。己卯，以劳擢知中山府事，佩金虎符。
When the Mongol army moved southward in the year Yihai, he submitted to King Mu Huali. In the fourteenth year of the Taizu era, he was promoted to administrative officer of Zhongshan prefecture and awarded the position of golden tiger tally.