 Yu Deng was by this point an attendant of the emperor, and through him, Yu Lie reported Yuan Xian's faults to the emperor, leading to Emperor Xuanwu's relieving Yuan Xi and another uncle, Yuan Xie the Prince of Pengcheng, of their responsibilities in 501.When Yuan Xi planned a rebellion later that year, Yu Deng was involved in protecting Emperor Xuanwu arresting Yuan Xi and his cohorts, and was rewarded for his accomplishments.Emperor Xuanwu also changed his name further to Yu Zhong—with "Zhong" meaning "faithful."