Yong-le: Year 20, Month 8, Day 18
3 Sep 1422
Du Wei-zhong, the Jiao-zhi native-official administration vice commissioner who was in charge of the affairs of San River Prefecture; Chen Shui, the prefect of Feng-hua Prefecture; [Du] Qu, the son of Du Xi-wang, the deceased prefect of Jiao-zhou Prefecture; Liang Guo-fu, the magistrate of Dang-dao County in Xuan-hua Prefecture; and others, a total of 27 persons, came to Court and offered tribute of gold and silver utensils and local products. The Heir Apparent ordered the Ministry of Rites to banquet them all in reward.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 14, page 2344