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
Wilhelm II, German Emperor monarch) in 1898, Wilhelm II wrote to Tsar Nicholas II that, "If I had come there without any religion at all, I certainly would have turned Mohammedan!" Wilhelm II, German Emperor Wilhelm II (Friedrich Wilhelm Viktor Albert; 27 January 18594 June 1941) was the last German Emperor ("Kaiser") and King of Prussia, reigning from 15 June 1888 until his abdication on 9 November 1918. He was the eldest grandchild of Queen Victoria of the United Kingdom and related to many monarchs and princes of Europe, most notably, King George V of the United Kingdom and Emperor Nicholas II of Russia.