Grandchildren of Queen Victoria and Prince Albert of Saxe-Coburg and Gotha of Wales, married Princess Alexandra of Denmark (1844–1925), later Queen Alexandra of the United Kingdom, on 10 March 1863. They had 3 sons (one of whom died within a day), 3 daughters, 7 grandsons (one stillborn) and 3 granddaughters. The Prince of Wales became King Edward VII and Emperor of India at the death of his mother Queen Victoria on 22 January 1901. Edward's and Alexandra's son King George V (reigned 1910–1936) was the father of Kings Edward VIII (reigned 1936) and George VI (1936–1952), and the grandfather of the present Queen Elizabeth II (acceded to the throne February 1952)
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