Kido Matsuko
Kido Matsuko, later known as the nun Suikōin, was a Japanese woman from the late Edo period to the Meiji period. She was formerly a geisha under the stage name Ikumatsu from Sanbongi, Kyoto. She was the lover of Katsura Kogorō, who would go on to become one of the Three Great Nobles of the Restoration.