Adalbert of Prussia1884 - 1948 Born Mon, 14 July 1884 Marmorpalais, Potsdam Died Wed, 22 September 1948 La Tour-de-Peilz Buried La Tour-de-Peilz Details Parents Prince Adalbert Ferdinand Berengar Viktor Lived 64 years, 2 months, 8 days 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 August Wilhelm of Prussia 1887 - 1949 Brother Oskar of Prussia 1888 - 1958 Brother Joachim of Prussia 1890 - 1920 Sister Victoria Louise of Prussia 1892 - 1980