藤原道長
After the death of Fujiwara no Michinaga, his sons used the imperial harem as a stage for political competition. With Fujiwara no Yorimichi's daughter still very young, it is thought that Shōshi may have been used as a sort of compromise candidate due to Jōtōmon-in's connection with Michinaga's family. In 1037, undergoing the rite of , she entered the court of her cousin, then-crown prince Chikahito, the future Emperor Go-Reizei, as crown princess.