Atsuko Ikeda (池田厚子, Ikeda Atsuko?, born 7 March 1931), formerly Princess Yori (順宮厚子内親王, Yori-no-miya Atsuko Naishinnō?), is the widow of Marquis Takamasa Ikeda (池田隆政, Ikeda Takamasa?, 21 October 1927 – 21 July 2012) and fourth daughter of Emperor Shōwa and Empress Kōjun. As such, she is the older sister to the present Emperor of Japan, Emperor Akihito.
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