 In 557, he had Emperor Jing yield the throne to him, establishing Chen Dynasty as its Emperor Wu.Chen Xu's brother Chen Qian was created the Prince of Linchuan, and while Chen Xu was still then detained by Western Wei, Emperor Wu remotely created him the Prince of Shixing, to inherit the title that Emperor Wu posthumously created his father Chen Daotan.Emperor Wu died in 559, and because Chen Chang was still detained at Chang'an as well, Chen Qian took the throne (as Emperor Wen).