The midaidokoro (御台所) was the official wife of the Shogun. During the Edo period, she resided in the Ōoku of Edo Castle and sometimes wielded considerable political power behind the scenes. This title first use by Oeyo wife of second shogun, Tokugawa Hidetada.
List of Midaidokoro:
Oeyo, wife of Tokugawa Hidetada and mother of Tokugawa Iemitsu
Takatsukasa Takako (1622-1683), wife of Tokugawa Iemitsu and daughter of Takatsukasa Nobufusa, grandmother of Tokugawa Ienobu, great grandmother of Tokugawa Ietsugu
Asa no Miya Akiko (1640-1676), wife of Tokugawa Ietsuna and daughter of Fushimi no Miya Sadakiyo
Takatsukasa Nobuko (1651-1709) ,wife of Tokugawa Tsunayoshi and daughter of Takatsukasa Norihira
Konoe Hiroko (1666-1741) later Ten-ei'in, wife of Tokugawa Ienobu and daughter of Konoe Motohiro
Yoshiko no Miya (1714-1758), wife of Tokugawa Ietsugu and daughter of Emperor Reigen
Iso no Miya Tomoko (1738-1771), wife of Tokugawa Ieharu and daughter of Kan'in no Miya Naohito Shinno
Shimazu no Shigehime or Tadakohime (1773-1844) later Kodai-in, wife of Tokugawa Ienari and daughter of Shimazu Shigehide of Satsuma Domain
Arisugawa Takako (1795-1840) later Jokan-in, wife of Tokugawa Ieyoshi and daughter of Prince Arisugawa Orihito
Shimazu Atsuhime or Fujiwara no Sumiko, later Tenshoin, wife of Tokugawa Iesada and daughter of Shimazu Tadatake (1806-1854) ,adopted daughter of Shimazu Nariakira and Konoe Tadahiro
Chikako, Princess Kazu, later Seikan'in-no-miya, wife of Tokugawa Iemochi and daughter of Emperor Ninko
Ichijo Mikako (1835-1894), wife of Tokugawa Yoshinobu
