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
SS Kaiser Wilhelm II transport. While this work progressed, she was employed as a barracks ship at the New York Navy Yard. The U.S. Navy placed the ship in commission as USS "Kaiser Wilhelm II" (ID-3004) in late August 1917. Her name was changed to "Agamemnon" at the beginning of September and active war work commenced at the end of October, when she left for her first troopship voyage to France. While at sea on 9 November 1917, she was damaged in a collision with another large ex-German transport, , but delivered her passengers to the war zone a few days later. Following her