Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Prince Wilhelm of Prussia (Wilhelm Friedrich Franz Joseph Christian Olaf, in English, William Frederick Francis Joseph Christian Olaf; 4 July 1906 26 May 1940) was the eldest child and son of Crown Prince Wilhelm of Germany and Duchess Cecilie of Mecklenburg-Schwerin. At his birth, he was second in line to the Prussian throne, and was expected to one day succeed to the throne after the deaths of his father and grandfather.Wilhelm was born on 4 July 1906 at the Hohenzollern family´´s private summer residence, Marmorpalais, or Marble Palace, near Potsdam, where his parents were residing until their own home, Schloss Cecilienhof, could be completed. His father was Crown Prince Wilhelm, the eldest son and heir to the German Emperor, William II. His mother was Duchess Cecilie of Mecklenburg-Schwerin. Emperor Franz Joseph of Austria was one of the Prince´´s godfathers.