《新唐书·列传·卷二十五》
高祖武德初年，任秦王府士曹参军，随军平定洛阳。
武德初，为秦王府士曹参军，从平东都。
The early years of Emperor Gaozu's Wude era, he worked as the military participant of Prince Qin's government, followed the army to pacify Luoyang.