Oskar of Prussia1888 - 1958 Born Fri, 27 July 1888 Marmorpalais, Potsdam Died Mon, 27 January 1958 Munich Buried Hohenzollern Castle, Swabian Jura Details Parents Prince Oskar Karl Gustav Adolf Lived 69 years, 6 months father Wilhelm II 1859 - 1941 mother Augusta Victoria of Schleswig-Holstein 1858 - 1921 Siblings Brother Wilhelm 1882 - 1951 Brother Eitel Friedrich of Prussia 1883 - 1942 Brother Adalbert of Prussia 1884 - 1948 Brother August Wilhelm of Prussia 1887 - 1949 Brother Joachim of Prussia 1890 - 1920 Sister Victoria Louise of Prussia 1892 - 1980