《明史·列传·卷三十四》
入京城后，郑亨历升为中府左都督，被封为武安侯，食禄一千五百石，并给予世袭凭证。
入京师，历迁中府左都督，封武安侯，禄千五百石，予世券。
After entering Beijing, Zheng Heng was successively promoted to Lieutenant General of Zhongfu and was enfeoffed as Marquis of Wuan, getting a stipend of 1,500 stones and an entitlement to hereditary ownership.