She was the first daughter of Date Masamune and Megohime, as well as the wife of Matsudaira Tadateru, the sixth son of Tokugawa Ieyasu.
Although the married couple would have been hopeful for a boy to take over the Date family, the baby born to them was a girl.
[1][2] Having moved from place to place, from Jurakudai to Fushimi, and then to Osaka, Irohahime was engaged to Ieyasu's son, Tadateru, on January 20, 1599, as part of Ieyasu's strategy for strengthening relationships with powerful daimyō.
In 1616, she divorced Tadateru when he was stripped of his position, and returned to her father, Masamune, thereafter living in Sendai.
[3] She makes an appearance in the NHK taiga drama Dokuganryū Masamune, and she is portrayed by Sawaguchi Yasuko.