Yong-le: Year 7, Month 8, Day 2
10 Sep 1409
The Jiao-zhi bandit Deng Jing-yi and others attacked Pan-tan. The defending general Xu Zheng was killed. Zheng had his origins in Yi-zhen and was initially a deputy battalion commander under the Yang-zhou Guard. When the Emperor raised troops to pacify the troubles, Zheng brought the entire city to allegiance. He was promoted to regional vice commissioner and accompanied the expedition to Jiao-zhi. In capturing bandit boats on the San-dai River, providing relief in the attack on the Western capital and in the fighting at Xian-zi Pass, he realized achievements. When Chen Ji-kuo rebelled, Pan-tan was a most important position and the Ying-guo Duke Zhang Fu sent Zheng to guard it. When Jing-yi and so on came to attack, their forces surrounded Zheng. Zheng led his troops in doing battle with them. Even when a flying spear pierced his ribs, Zheng still led the troops in fighting to the death. The bandits were defeated and fled, but Zheng's belly had been badly injured and he died of his injuries.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 12, page 1255