People Alexander of Greece King of Greece (1917–1920)1 August 1893 – 25 October 1920 Constantine I of Greece2 August 1868 – 11 January 1923Sophia of Prussia14 June 1870 – 13 January 1932 Alexander of Greece1 August 1893 – 25 October 1920Aspasia Manos4 September 1896 – 7 August 1972 Alexandra of Yugoslavia25 March 1921 – 30 January 1993 ParentsConstantine I of Greece2 August 1868 – 11 January 1923Sophia of Prussia14 June 1870 – 13 January 1932Spouses and partnersAspasia Manos4 September 1896 – 7 August 1972SiblingsGeorge II of Greece19 July 1890 – 1 April 1947Helen 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 2007ChildrenAlexandra of Yugoslavia25 March 1921 – 30 January 1993 From Wikipedia and Wikidata (public domain), updated daily.