Ōgimachisanjō Hideko

Ōgimachisanjō Hideko (1311–1353) was a court woman of the Northern and Southern Courts period, the daughter of Inner Minister Kinhide. She long served the cloistered Emperor Kōgon and received junior third rank in 1337.

She bore Kōgon two sons who both took the throne, Emperors Sukō and Go-Kōgon. Falling ill in 1352, she received the honorary rank of empress and the cloister title Yōrokumon-in, and died early in 1353, aged forty-two.