 He therefore prepared to advance south, and meanwhile sent messengers to persuade Emperor Xuanwu's well-regarded cousin Yuan Ziyou the Prince of Changle to accept the throne as a competing claimant to the throne.Yuan Ziyou agreed, and as Erzhu Rong approached Luoyang, Yuan Ziyou and his brothers Yuan Shao (元劭) the Prince of Pengcheng and Yuan Zizheng (元子正) the Duke of Bacheng secretly left Luoyang to join Erzhu's army.Erzhu declared him emperor (as Emperor Xiaozhuang).