《资治通鉴·唐纪·唐纪七》
癸丑，南海公欧阳胤奉命出使，正在突厥，他率领属下五十人谋划突然袭击可汗的牙帐，结果事情泄露，突厥将他囚禁起来。
癸丑，南海公欧阳胤奉使在突厥，帅其徒五十人谋掩袭可汗牙帐；事泄，突厥囚之。
In GuiChou year, Ouyang Yin, the Duke of Nanhai, was ordered to be an envoy in Turks. He led fifty people to attack the khan's tent, but the incident was exposed, and the Turks imprisoned him.