Prince Axel of Denmark was a cousin of the King of Greece, who ruled during what years?
Prince Axel of Denmark Prince Axel Christian Georg of Denmark, {'1': ", '2': ", '3': 'RE, SKmd', '4': "} (Danish: "Prins Axel Christian Georg til Danmark"; 12 August 1888 in Copenhagen – 14 July 1964 in Copenhagen) was a Danish prince and a grandson of Christian IX of Denmark On his father's side, he was a first cousin of Christian X of Denmark, Haakon VII of Norway, Constantine I of Greece, George V of the United Kingdom, Nicholas II of Russia, Maud of Wales and Ernest Augustus III, Duke of Brunswick and on his mother's side of Henri, Count of Paris (1908–1999), Orleanist pretender to the French throne. Prince Axel was a popular patron of sports. He was a prominent International Olympic Committee member and activist and also a business executive. In 1963, Prince Axel became the first honorary member of the IOC in history. He was an officer in the Royal Danish Navy.
Count Christian of Rosenborg Count Christian of Rosenborg ("Christian Frederik Franz Knud Harald Carl Oluf Gustav Georg Erik"; 22 October 1942 – 21 May 2013) was a member of the Danish royal family. Born Prince Christian of Denmark, he was high in the line of succession until the constitution was changed in 1953 to allow females to inherit the crown, placing his branch of the dynasty behind that of his cousin Margrethe and her two younger sisters. He later gave up his princely rank and his rights to the throne in order to marry a commoner.