Tsubone Horikawa/Origin

Origin
Better known as Taikenmon-in no Horikawa, she was a Japanese poetess who lived at the end of the Heian Period. She served Empress Fujiwara no Tamako, also known as Taikemon-in, from whom she received the name Horikawa. In 1142 and 1143, she is known to have participated in many utaawase (waka poetry competitions) A few of her poems are included in the compilations Kin'yō Wakashū and Chokusen Wakashū, and one of her poems was in the Ogura Hyakunin isshu (one hundred people, one poem each)