Irene1904 - 1974 Born Sat, 13 February 1904 Athens Died Mon, 15 April 1974 Details Parents Princess, Duchess of Aosta Irene Lived 70 years, 2 months, 2 days father Constantine I 1868 - 1923 mother Sophia of Prussia 1870 - 1932 Siblings Brother George II 1890 - 1947 Brother Alexander of Greece 1893 - 1920 Sister Helen of Greece and Denmark 1896 - 1982 Brother Paul of Greece 1901 - 1964 Sister Katherine of Greece and Denmark 1913 - 2007
