Yong-le: Year 22, Month 5, Day 27
23 Jun 1424
The Jiao-zhi Vice Commissioner Xu Yuan, died. Yuan had his origins in Ding-yuan, Feng-yang. Formerly, he was vice commissioner in the Si-chuan Military Commission. In the fourth year of the Yong-le reign (1406/07), he accompanied the Xi-ping Marquis Mu Sheng on expedition to Jiao-zhi. Every time he engaged in battle, he achieved victory and accumulated great achievements. Subsequently, he was transferred to the Jiao-zhi Regional Military Commission and was appointed as defender of Qing-hua. When Chen Ji-kuo assembled his forces and engaged in rebellion, the Imperial Army punished and defeated him. Yuan realized achievements in that battle and silver and patterned fine silks were conferred upon him. At this time, he died and his son Zhen inherited a post as an assistant commander of a guard in Jiao-zhi.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 14, page 2458