《旧唐书·本纪·卷二十》
六月初一，朱全忠上表奏称陕州兵马留后朱简为乡里同宗，改名为朱友谦，请求朝廷实授节旄斧钺。
六月丁巳，硃全忠表陕州兵马留后硃简乡里同宗，改名友谦，乞真授节钺。
On the first day of the sixth month, Zhu Quanzhong submitted a memorial reporting that Zhu Jian, military commissioner of Shaan Prefecture, was a fellow villager and relative, and requested the court to formally bestow the flag, axe and butcher’s knife on him.