Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Emperor Longwu of the Southern Ming dynasty reigned from 1645 to 1646. His era name means "Plentiful and martial". His personal name was Zhu Yujian ( ; pinyin: Zh Yùjiàn). He was a descendant of the first Ming emperor Zhu Yuanzhang. Before ascending to the throne he followed his father as the Prince of Tang, their fief being situated in Nanyang prefecture, in Henan province. In 1636 he was stripped of his title by the Chongzhen Emperor and put under house arrest in Fengyang. His former title was transferred to his younger brother Zhu Yumo ( ). In 1641 the latter committed suicide when Li Zicheng invaded Nanyang. After the death of the Chongzhen Emperor 1644, his successor on the Ming throne, the Hongguang Emperor released the Prince of Tang from his arrest.