Marie Louise of Schleswig-Holstein1872 - 1956 Born Mon, 12 August 1872 Cumberland Lodge, Windsor Died Sat, 8 December 1956 Fitzmaurice Place, Mayfair Buried Royal Burial Ground, Frogmore, Windsor Details Parents Princess Franziska Josepha Louise Augusta Marie Christina Helena Lived 84 years, 3 months, 26 days father Christian of Schleswig-Holstein 1831 - 1917 mother Helena of the United Kingdom 1846 - 1923 Siblings Brother Christian Victor of Schleswig-Holstein 1867 - 1900 Brother Albert of Schleswig-Holstein 1869 - 1931 Sister Helena Victoria of Schleswig-Holstein 1870 - 1948