Yong-le: Year 3, Month 7, Day 18
12 Aug 1405
The Usher Wang Zi was sent to offer sacrifices for Can-lie Po Pi-ya, the deceased king of Cambodia. It was also ordered that the Supervising Censor Bi Jin and the eunuch official Wang Cong take an Imperial proclamation enfeoffing Can-lie Zhao Ping-ya, the eldest son of the deceased king of the country of Cambodia, as king of the country of Cambodia, and to confer paper money, silks and other goods upon him. They were also to escort the envoy Nai Mei home.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 10, page 697