SZT5174940: Emperor William II and Duke Johann Albrecht at Mecklenburg in Braunschweig, 1909 / Bridgeman Images

SZT5174955: Emperor Wilhelm II in the Tiergarten, 1914 / Bridgeman Images

SZT5174958: Emperor Wilhelm II at a trot in Berlin, around 1910 / Bridgeman Images

SZT5174967: Emperor Wilhelm II in Syracuse, Sicily, 1908 / Bridgeman Images

SZT5174988: Duchess Sophie Charlotte of Oldenburg, 1900-1905 / Bridgeman Images

SZT5174991: Prince Frederick of Prussia at a club event, 1932 / Bridgeman Images

SZT5175021: Prince Joachim of Prussia with Colonel von Streeruwitz, 1915 / Bridgeman Images

SZT5175057: Crown Prince Wilhelm with his son Prince Louis Ferdinand in Buch-Schoenerlinde, 1934 / Bridgeman Images

SZT5175060: Prince Louis Ferdinand of Prussia and hereditary Prince Wilhelm, 1913 / Bridgeman Images

SZT5175066: Prince Louis Ferdinand of Prussia and hereditary Prince Wilhelm, 1908 / Bridgeman Images

SZT5175072: Crown Prince Wilhelm of Prussia during a parade of the riding horses of the royal stables, 1908 / Bridgeman Images

SZT5175081: Crown Prince Wilhelm of Prussia, 1929 / Bridgeman Images

SZT5175090: Crown Prince Wilhelm with two hussars from Danzig in the Tiergarten, 1914 / Bridgeman Images

SZT5175010: Prince Joachim of Prussia, 1914 / Bridgeman Images

SZT5175040: Princess Marie Auguste of Prussia, 1916 / Bridgeman Images

SZT5175046: Prince Frederick of Prussia and Prince Louis Ferdinand of Prussia, 1932 / Bridgeman Images

SZT5175055: Hereditary Prince Wilhelm of Prussia and Prince Louis Ferdinand, 1913 / Bridgeman Images

SZT5175070: Prince Louis Ferdinand of Prussia with his brothers, 1913 / Bridgeman Images

SZT5175082: Crown Prince Wilhelm of Prussia as guest at a maneuvre 1902 / Bridgeman Images

SZT5175097: Crown Prince Wilhelm of Prussia in Bucharest, 1909 / Bridgeman Images

SZT5175124: The crown prince and princess at the opening of the Century Exhibition in Wroclaw, 1913 / Bridgeman Images

SZT5175133: Crown Prince Wilhelm of Prussia at the funeral of Prince Friedrich Sigismund of Prussia, 1927 / Bridgeman Images

SZT5175163: Crown Prince Wilhelm in the family circle, 1904 / Bridgeman Images

SZT5175172: Crown Prince Friedrich Wilhelm as a child, 1885-1888 / Bridgeman Images

SZT5175205: The wedding of the German Crown Prince Couple, 1905 / Bridgeman Images

SZT5175211: The German Crown Prince Couple in their car, 1922 / Bridgeman Images

SZT5175226: Crown Prince Wilhelm at the Concours hippique of the Hamburg Polo Club, 1905 / Bridgeman Images

SZT5175280: Crown Prince Wilhelm of Prussia playing tennis, 1926 / Bridgeman Images

SZT5175304: Crown Prince Wilhelm in a car, 1905 / Bridgeman Images

SZT5175316: Wedding of Hereditary Prince Wilhelm of Prussia with Dorothea von Salviati, 1933 / Bridgeman Images

SZT5175319: Wedding of Hereditary Prince Wilhelm of Prussia with Dorothea von Salviati, 1933 / Bridgeman Images

SZT5175328: Hereditary Prince Wilhelm of Prussia, 1908 / Bridgeman Images

SZT5175340: Building in the Kurfuerstenstrasse in Berlin, 1929 / Bridgeman Images

SZT5175370: District Court Berlin / Bridgeman Images

SZT5175110: Crown Prince Wilhelm of Prussia visiting the Netherlands, 1927 / Bridgeman Images

SZT5175129: The crown prince and princess after the inauguration of the Paul Gerhardt Church in Berlin, 1910 / Bridgeman Images