1. Xue was a famous military general in the Tang Dynasty. There are two kinds of stories about his wife. One is that Xue has two wives, namely zhaoyang princess. Another way of saying it is that Liu Yingchun is the only wife. However, later generations thought that Xue had only one wife.

2. Xue (614 —— March 24th, 683), a famous ceremony, was called. He is from Xiucun, Longmen County, Jiangzhou, Hedong Road (now Xiucun, Hejin City, Shanxi Province). In the early years of the Tang Dynasty, he was the grandson of Xue Andu VI, king of Hedong in the Northern Wei Dynasty. In the second year of Yongchun (683), Xue died of illness at the age of 70. This book is presented to General Zuo and the secretariat of Youzhou. He wrote fourteen volumes of the original meaning of Zhouyi's new annotation, which has been lost today.