Initially, the chancellor (chief adviser to the Emperor) FUJIWARA no Kanemichi's daughter Koshi became the Emperor's second consort, but after she died (in 979), Junshi, daughter of the chancellor FUJIWARA no Yoritada, took over her position.
はじめ関白藤原兼通の娘媓子を中宮とし、天元2年（979年）に彼女が亡くなると、代わって関白藤原頼忠の娘遵子を中宮に立てた。