People
Constantine I of Greece
King of Greece (r. 1913–17; 1920–22)
2 August 1868 – 11 January 1923
George I of Greece24 December 1845 – 18 March 1913Olga Constantinovna of Russia22 August 1851 – 18 June 1926
Constantine I of Greece2 August 1868 – 11 January 1923Sophia of Prussia14 June 1870 – 13 January 1932
George II of Greece19 July 1890 – 1 April 1947Alexander of Greece1 August 1893 – 25 October 1920Helen of Greece and Denmark2 May 1896 – 28 November 1982Paul of Greece14 December 1901 – 6 March 1964Princess Irene, Duchess of Aosta13 February 1904 – 15 April 1974Princess Katherine of Greece and Denmark4 May 1913 – 2 October 2007
Parents
Spouses and partners
Siblings
Prince George of Greece and Denmark
24 June 1869 – 25 November 1957
Princess Alexandra of Greece and Denmark
30 August 1870 – 24 September 1891
Prince Nicholas of Greece and Denmark
22 January 1872 – 8 February 1938.jpg?width=120)
Princess Maria of Greece and Denmark
3 March 1876 – 14 December 1940.jpg?width=120)
Prince Andrew of Greece and Denmark
2 February 1882 – 3 December 1944
Prince Christopher of Greece and Denmark
10 August 1888 – 21 January 1940
Children
George II of Greece
19 July 1890 – 1 April 1947
Alexander of Greece
1 August 1893 – 25 October 1920
Helen of Greece and Denmark
2 May 1896 – 28 November 1982
Paul of Greece
14 December 1901 – 6 March 1964
Princess Irene, Duchess of Aosta
13 February 1904 – 15 April 1974
Princess Katherine of Greece and Denmark
4 May 1913 – 2 October 2007
