《宋史·列传·卷二百三十四》
绍兴二年二月，知商州董先献商、虢二州叛附刘豫。
二年二月，知商州董先以商、虢二州叛附于豫。
In February of the second year of the Shaoxing era, Dong Xian, the prefect of Shangzhou, offered to pay Shang and Guo two states to rebel against Liu Yu.