Prince Alexander of Teck, c1900s(?). Prince Alexander of Teck (1874-1957) was the youngest son of Francis, Duke of Teck and Princess Mary Adelaide of Cambridge, a granddaughter of King George III of the United Kingdom. He served in the British Army in the Boer War and the First World War, reaching the rank of Major-General. In 1917 he was created Earl of Athlone. After the war Alexander went on to serve as Governor-General of the Union of South Africa (1924-1930) and as Governor-General of Canada (1940-1946). (Photo by The Print Collector/Print Collector/Getty Images)
