People Princess Katherine of Greece and Denmark youngest child of King Constantine I of Greece and Sophia of Prussia4 May 1913 – 2 October 2007 Constantine I of Greece2 August 1868 – 11 January 1923Sophia of Prussia14 June 1870 – 13 January 1932 Princess Katherine of Greece and Denmark4 May 1913 – 2 October 2007Richard Brandram5 August 1911 – 28 March 1994 ParentsConstantine I of Greece2 August 1868 – 11 January 1923Sophia of Prussia14 June 1870 – 13 January 1932Spouses and partnersRichard Brandram5 August 1911 – 28 March 1994SiblingsGeorge 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 1974 From Wikipedia and Wikidata (public domain), updated daily.
