《明史·志·卷三十一》
当初，宪宗选取孔、颜、孟三氏子孙到京城观礼，又命衍圣公分别祭献。
初，宪宗取三氏子孙赴京观礼，又命衍圣公分献。
At the beginning, Emperor Xianzong selected the descendants of Kong, Yan and Meng to view the ceremony in the capital city, and ordered Yansheng to make sacrifices.