《新唐书·列传·卷一百四十》
颉利捉住我使者汉阳公瑰、太常卿郑元王寿、左骁卫大将军长孙顺德，皇帝也扣留了他相当数量的使者。
颉利执我使者汉阳公瑰、太常卿郑元、左骁卫大将军长孙顺德，帝亦囚其使与相当。
Jieli captured our envoy, Duke Gui of Hanyang, Minister Zheng Yuan Wangshou of Taichang, General Changsun Shunde of the Left Xiao Guard, and the emperor also detained a considerable number of his envoys.