《元史·列传·卷四十》
太宗十三年，严实之子忠济承袭父职，授官左右司郎中，总领行台政务。
辛丑，实子忠济袭职，授左右司郎中，遂总行台之政。
In the 13th year of Taizong's reign, Yan Shi's son, Zhongji, inherited his father's official position and was appointed as a member of the Ministry of the Left and Right, leading the political affairs of the acting governor.