《元史·本纪·卷十三》
初八，下诏封皇子脱欢为镇南王，赐给涂金的银印，驻留在鄂州。
甲寅，诏封皇子脱欢为镇南王，赐涂金银印，驻鄂州。
On the eighth day, an imperial edict was issued to confer the title of Prince of Zhennan on Prince Tuo Huan, granted a silver seal plated with gold, and stationed in Ezhou.