Yong-le: Year 15, Month 12, Day 2
8 Jan 1418
The envoy Nai Jiao and others, a total of over 100 persons, who had been sent by San-lai Bo-mo-la-zha-di-lai, the king of the country of Siam, presented a memorial and offered tribute of local products in gratitude for Imperial grace in conferring funeral sacrifices for the king's father and for ordering that the present king inherit the title. It was ordered that the Ministry of Rites confer upon the king brocaded fine silks and silk gauzes and that paper money and silks, as appropriate, be conferred upon Nai Jiao and the others.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 13, page 2047