Zhu Youzhen, emperor of Later Liang (d. 923)
Zhu Zhen (朱瑱) (20 October 888 – 18 November 923), often referred to in traditional histories as Emperor Mo of Later Liang (後梁末帝, "last emperor") and sometimes by his princely title Prince of Jun (均王), né Zhu Youzhen (朱友貞), known as Zhu Huang (朱鍠) from 913 to 915, was the emperor of the Chinese Five Dynasties and Ten Kingdoms period state Later Liang from 913 to 923. He was the third and last emperor of Later Liang, the first of the Five Dynasties. He ordered his general Huangfu Lin (皇甫麟) to kill him in 923 when Emperor Zhuangzong of Later Tang (Li Cunxu), the emperor of Later Liang's enemy Later Tang to the north, was on the cusp of capturing the Later Liang capital Daliang. His death marked the end of Later Liang, which was to be the longest among the Five Dynasties. Despite his ten-year reign being the longest of all the Five Dynasties emperors (if one does not count Li Cunxu's reign as the Prince of Jin prior to taking imperial title) sources on his era are relatively scarce, as many Later Liang records were destroyed following the Later Tang conquest of Later Liang (as Later Tang viewed Later Liang as an illegitimate regime).