《魏书·列传·卷十四》
高祖初年，蠕蠕部落首领无卢真率领三万骑兵进入边境包围军镇，叁堡击退了他，因功劳升军号为征西大将军。
高祖初，蠕蠕部帅无卢真率三万骑入塞围镇，多侯击之走，以功进号征西大将军。
In the first year of the reign of Emperor Gao Zu, the chief of Rouran Tribe, Wulu Zhen, led 30,000 cavalry to come to the border to besiege the military garrison. Sandu repulsed him and was promoted to the general of westward expedition as a reward. 