Princess RyōshiPrincess Ryōshi, later Empress Emerita Inpumon'in, was an honorary empress consort of Japan during the late Heian period. Ryōshi was empress as the honorary mother of her nephews Emperor Antoku and Emperor Go-Toba.BiographyShe was the daughter of Emperor Go-Shirakawa and Empress Dowager Taira no Shigeko, and the sister of Emperor Takakura. She was appointed Honorary Mother to her nephews, who reigned in succession as Emperor Antoku and Emperor Go-Toba. As their honorary mother, she was made Honorary Empress and performed the court functions of an empress consort during their reign.