《旧唐书·列传·卷一百二十三》
镇冀节度使王承宗死后，他的弟弟王承元愿意听从朝廷命令，将他改任郑滑节度使。
镇冀节度使王承宗死，其弟承元听朝旨，移授郑滑节度。
After the death of Wang Chengzong, military governor of Zhenji, his brother Wang Chengyuan agreed to follow the orders of the court, and was transferred to the post of military governor of Zheng-Hua.