《新唐书·列传·卷八十一》
吐蕃侵犯京城，代宗皇帝流亡陕州，因为护驾有功，多次提升，封为河间郡公。
吐蕃犯京师，代宗出陕，以扈从功，累封河间郡公。
When the Tufan invaded the capital, Emperor Daizong fled to Shaanzhou. Because he had done meritorious service in protecting the emperor, he was promoted several times and was granted the title of Duke of Hejian.