Ōe Iwashiro

Ōe Iwashiro (大江磐代) (1744 – January 11, 1813) was the favoured concubine of Sukehito, Prince Kan'in. She was the birth mother of Emperor Kōkaku and the great-great grandmother of Emperor Meiji. Her imperial name was Ren Senpaku.

Life She was born in 1744 in Kurayoshi, Hōki Province (now Minatomachi, Kurayoshi City, Tottori Prefecture) to father Iwamuro Muneken, a vassal of the , a retainer of the Tottori domain, and a mother who was a daughter of an iron wholesaler. She was adopted and served in the , and by the time she was in her teens, she took the surname Tachibana. took Princess Yoshiko, the only child of Emperor Go-Momozono, who had no sons, as his empress, by recommendation of his adopted mother, Empress Go-Sakuramachi.

After the death of her husband, she became a monk, took the name Renjoin. In 1878, she was posthumously awarded the rank of one of the highest ranks of Shinkao, and in 1902, the rank of .