《新唐书·列传·卷二十五》
当时宇文士及的妹妹为高祖的昭仪，得到宠爱，因此受到亲近尊重，进授仪同三司头衔。
时士及女弟为昭仪，有宠，由是见亲礼，授上仪同。
At that time, Yuwen Shit's sister became Gaozu's Zhaoyi and was greatly favored. Therefore, Yuwen Shit was also respected and promoted to Yitong Sansitout.