釋鑑稽古略續集 1.172

1.172

庚午至順元年。加封孔子父叔梁紇。為啟聖王。母顏氏。啟聖夫人。顏子復聖公。曾子宗聖公。子思述聖公。孟子亞聖公。

In the gengwu year, the first year of the Zhishun reign era, additional titles were bestowed: Confucius's father, Shuliang He, was made King Inspiring Sagehood; his mother, Lady Yan, was made Lady Inspiring Sagehood; Yanzi was made Duke Restoring Sagehood; Zengzi was made Duke Transmitting Sagehood; Zisi was made Duke Expounding Sagehood; Mencius was made Duke Second to Sagehood.