Because this Imperial Secretary seemed to be quite formidable, before coming on his mission, not only had Yang Sheng introduced the senior ministers of the civil and military officials explicitly mentioning this Imperial Secretary alone, even the monastery head had mentioned his name to Li Fan.
This person is a descendant of the Sima Clan among the Three Enclosures, the current Grand Commandant, Young Lord of Dingling County, titled as an Inner Marquis. Although he currently serves merely as an Imperial Secretary, the deputy to the Imperial Secretariat, equivalent to a secretary, he is the chief secretary of the Taifu.
