Yong-le: Year 6, Month 2, Day 24
21 Mar 1408
The Jiao-zhi native officials Ruan Jun, prefect of Jiao-zhou Prefecture; Tong Yan-yi, prefect of Jian-chang Prefecture; and Li Si-kai, the vice prefect of Yan-zhou Prefecture, came to Court. Jun was promoted to vice minister of the left in the Bei-jing Ministry of Justice, while Yan-yi and Si-kai were promoted to vice ministers of the right.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 11, page 1038