Liu's Jiaojiao, both parents died.
His father, Liu Wenping, was the concubine of the Liu family, a third-rank official in the capital, and an eighth-rank minor official, who was sent to Tongzhou in the southwest.
His mother, Sun Baozhen, was a wealthy businessman in Tongzhou and the only daughter in the family.
Liu Jiaojiao repeatedly read the contents of the household registration documents and road guides, and carefully memorized his "role card".
Purpose: Women's choice about marriage