Royal descendants of Queen Victoria and King Christian IX were closely related due to their mutual descent from either Queen Victoria, King Christian IX or both. The most commonly cited example is the fact that Nicholas, his wife, Alexandra, and Kaiser Wilhelm II of Germany were all first cousins of King George V of the United Kingdom. Other countries who fought against Germany in addition to Russia and the United Kingdom were Romania, whose queen-consort, Marie, wife of King Ferdinand I, was a cousin of the Kaiser, and Greece, whose queen-consort, Sophia, wife of King Constantine I, was the Kaiser's own sister. Additionally, King George V was a first
SMS Kaiser Wilhelm II sea trials from 21 to 23 October before proceeding to Kiel, where she was based with her four sister ships. From 3 to 29 April 1911, the ship participated in maneuvers off Rügen. Together with the North Sea reserve division, "Kaiser Wilhelm II" and her sister ships went on a training cruise to Norway, starting on 8 June. During the visit, she stopped in Arendal, Bergen, and Odda. In July, the ship conducted gunnery training near the northern coast of Holstein, followed by training cruises off the coast of Mecklenburg. "Kaiser Wilhelm II" served as the flagship of the III