《三国志·魏书·满田牵郭传》
公孙瓒让田豫任东州县令。公孙瓒的将领王门背叛了他，并替袁绍率兵万余人前来进攻。
公孙瓒使豫守东州令，瓒将王门叛瓒，为袁绍将万馀人来攻。
Gongsun Zan appointed Tian Yu as magistrate of Dongzhou County. One of Gongsun Zan’s generals, Wangmen, betrayed him and joined Yuan Shao, leading more than ten thousand troops to attack Dongzhou.