Yong-le: Year 10, Month 6, Day 22
30 Jul 1412
The minister Ba-yi-ji and others who had been sent by Sai-fu-ding, the son of Ai-ya-si-ding, king of the country of Bengal, offered tribute of horses and local products and advised of the death of Sai-fu-ding's father. It was Imperially commanded that an envoy be sent to that country to offer the official sacrifices. It was also ordered that Sai-fu-ding inherit the post of king of the country of Bengal. Brocaded fine silks, silk gauzes and variegated silks as well as suits of clothing, drapes, parasols, porcelain and other goods were conferred upon the heir.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 12, page 1603/04