Grandchildren of Queen Victoria and Prince Albert of Saxe-Coburg and Gotha and her sister Princess Margaret, Countess of Snowdon (1930–2002). As the only children of King George VI and Elizabeth Bowes-Lyon (the Queen Mother, 1900–2002), Elizabeth and Margaret were thus great-granddaughters of Edward VII, great-great-granddaughters of Queen Victoria. Queen Victoria → King Edward VII → King George V → King George VI → Queen Elizabeth II Edward's and Alexandra's daughter Princess Maud of Wales became Queen of Norway when her husband, Prince Carl of Denmark, became King Haakon VII (1905–1957) upon the dissolution of Norway's union with Sweden in 1905. Their son, and Edward's grandson, became King Olav V (1957–1991); and
Royal descendants of Queen Victoria and King Christian IX Victoria. Lastly, Victoria had two more granddaughters who became queens: Marie of Edinburgh, who married Ferdinand I of Romania, and Victoria Eugenie of Battenberg who married Alfonso XIII of Spain. Christian IX was therefore the grandfather of an emperor and two kings who all married granddaughters of Victoria, one of whom (Maud of Wales) was also a granddaughter of Christian IX. In total, five of his grandsons were reigning sovereigns. Victoria, meanwhile, was the grandmother of an emperor, a king-emperor, four queens consort and an empress consort. During the First World War (1914–1918), many monarchs of countries from both sides