Maria of Greece and Denmark1876 - 1940 Born Fri, 3 March 1876 Athens Died Sat, 14 December 1940 Athens Buried Tatoi Palace, Athens Details Parents Princess Мария Георгиевна Lived 64 years, 9 months, 11 days father George I 1845 - 1913 mother Olga Constantinovna of Russia 1851 - 1926 Siblings Brother Constantine I 1868 - 1923 Brother George of Greece and Denmark 1869 - 1957 Sister Alexandra of Greece and Denmark 1870 - 1891 Brother Nicholas of Greece and Denmark 1872 - 1938 Sister Olga of Greece and Denmark 1880 Brother Andrew of Greece and Denmark 1882 - 1944 Brother Christopher of Greece and Denmark 1888 - 1940