Yong-le: Year 1, Month 9, Day 24
10 Oct 1403
The eunuch Li Xing and others were sent with Imperial orders of encouragement for Zhao Lu-qun Ying-duo- luo-di-la, the king of the country of Siam, and to confer upon the king 40 bolts of fine silks, copper cash, mu sk-oil and other goods. They were to travel there together with the envoys who had come to offer tribute.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 10, page 426