abstract:Yang Pu (楊溥) (900-January 21, 939), formally Emperor Rui of Wu (吳睿帝), known as Emperor Gaoshang Sixuan Honggu Rang (高尚思玄弘古讓皇(帝)) or, in short, Emperor Rang (讓皇, "the emperor who yielded"), while still living during the initial months of succeeding Southern Tang, was the last ruler of the Chinese Five Dynasties and Ten Kingdoms period state Wu, and the only one that claimed the title of emperor. During his reign, the state was in effective control of the regents Xu Wen and Xu Wen's adoptive son and successor Xu Zhigao.