《明史·列传·卷二百一十一》
七年正月，中山王的世子尚忠前来讣告其父去世的消息，皇帝让给事中余忭、行人刘逊前去册封尚忠为中山王。
七年正月，中山世子尚忠来告父丧，命给事中余忭、行人刘逊封忠为中山王。
In the first month of the seventh year, Shang Chung, the eldest son of the King of Chungshan, arrived to announce the death of his father, and the Emperor ordered Yu Chieh of the Bureau of Commissions and Liu Sun, a Gentleman in Waiting, to go and invest Shang Chung as King of Chungshan. 