of Zhao Qi (Emperor Duzong). His mother was Lady Yu (??), a concubine of Emperor Duzong who held the rank of ''xiurong'' (??). He was a younger half-brother of his predecessors, Zhao Xian (Emperor Gong) (r. 1275-1276) and Zhao Shi (Emperor Duanzong) (r. 1276-1278). He was enfeoffed as the "Prince of Xin" (??) in 1274. His