Nicholas II of Russia last ethnically Russian ancestor being Grand Duchess Anna Petrovna of Russia (1708–1728), daughter of Peter the Great. Nicholas was related to several monarchs in Europe. His mother's siblings included Kings Frederick VIII of Denmark and George I of Greece, as well as the United Kingdom's Queen Alexandra (consort of King Edward VII). Nicholas, his wife Alexandra, and German Emperor Wilhelm II were all first cousins of King George V of the United Kingdom. Nicholas was also a first cousin of both King Haakon VII and Queen Maud of Norway, as well as King Christian X of Denmark and King Constantine
SMS Kaiser Wilhelm der Grosse 19 February 1901, followed by acceptance trials that started on 18 March. These were completed by May, and she was formally commissioned on 5 May. That year, Erich Raeder—who went on to command the "Kriegsmarine" in World War II—was promoted to serve as a watch officer aboard her. After commissioning in 1901, "Kaiser Wilhelm der Grosse" joined her sister ships in the I Squadron of the "Heimatflotte" (Home Fleet). After her sister ran aground and had to be docked for repairs, "Kaiser Wilhelm der Grosse" replaced her as the I Squadron flagship, which was commanded by Prince Heinrich, the brother