Emperor Xiaoming of (Northern) Wei ((北)魏孝明帝) (510 – March 31, 528), personal name Yuan Xu (元詡), was an emperor of the Xianbei-led Chinese Northern Wei dynasty (386–535). He ascended the throne in the age of five (515), so governmental matters were dominated by his mother Empress Dowager Hu (with an intervening regency by the official Yuan Cha from 520 to 525). In 528, Emperor Xiaoming tried to curb his mother's powers and kill her lover Zheng Yan (鄭儼) by conspiring with the general Erzhu Rong. As a result, the 18-year-old emperor was poisoned by his mother, who was soon overthrown by Erzhu. From that point on, Northern Wei royal lineage had no actual power. The next ruler, Emperor Xiaozhuang (507–531) was established by Erzhu. Since Erzhu's rival, general Gao Huan, enthroned another royal