 In 559, Emperor Wu died, and Chen Xu's older brother Chen Qian, Prince of Linchuan, as Emperor Wu's only close male relative in the realm, took the throne as Emperor Wen of Chen.In 560, Northern Zhou began making overtures to return Chen Xu to Chen.In 562, Emperor Wen, who had remotely created Chen Xu the Prince of Ancheng, traded the city of Lushan (魯山, in modern Wuhan, Hubei) to Northern Zhou in exchange for Chen Xu's return.