Oeyo (於江与) or Satoko (達子) or Sūgen'in (崇源院: 1573 – September 15, 1626) was the wife of Tokugawa Hidetada (the second Tokugawa shogun of Japan) and the mother of his successor Iemitsu. Oeyo was the third and youngest daughter of the sengoku daimyo Azai Nagamasa. Her mother was Oichi, younger sister of Oda Nobunaga. Oeyo's oldest sister was Chacha, or Yodo dono, the second wife of Toyotomi Hideyoshi (and mother of Hideyoshi's hei… (More on Oeyo)