《明史·列传·卷二百一十一》
天启三年，尚宁已经去世，琉球的世子尚丰派使者向朝廷请求献贡和册封。
天启三年，尚宁已卒，其世子尚丰遣使请贡请封。
In the third year of Tianqi, Shang Ning had passed away. Shang Feng, Ryukyu's crown prince, sent envoys to request to pay tribute and be appointed to an official title.