Yong-le: Year 16, Month 11, Day 21
18 Dec 1418
Song Guang, the commissioner-in-chief of the left in the Left Military Commission, died. Guang had his origins in Chang-shu, Su-zhou......At the beginning of the Yong-le reign, he was promoted to vice commissioner in the He-nan Regional Military Commission and he followed the regional commander to Jiao-zhi. For his achievements, he was specially promoted to commissioner-in-chief of the left in the Left Military Commission. He was then again sent to guard Jiao-zhi. He died of illness. Sacrifices and funeral gifts were conferred.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 14, page 2112