Olga Constantinovna of Russia

Grand Duchess Olga Constantinovna of Russia (3 September 1851 – 18 June 1926) was Queen consort o the Hellenes an the wife o King George I. She also acted as regent of Greece.

Issue

 * 1) Constantine I of Greece 2 August 1868 – 11 January 1923) married Princess Sophia of Russia and had issue.
 * 2) Prince George of Greece and Denmark 4 June 1869 – 25 November 1957) mairit Marie Bonaparte and had issue.
 * 3) Princess Alexandra of Greece and Denmark (30 August 1870 – 24 September 1891) married Grand Duke Paul Alexandrovich of Russia and had issue.
 * 4) Prince Nicholas of Greece and Denmark 22 January 1872 – 8 February 1938) married Grand Guchess Elena Vladimirovna of Russia and had issue.
 * 5) Princess Maria of Greece and Denmark married Grand Duke George Mikhailovich of Russia and had issue.
 * 6) Princess Olga of Greece and Denmark (7 April 1880 – 2 November 1880) died young.
 * 7) Prince Andrew of Greece and Denmark (2 February 1882 – 3 December 1944) married Princess Alice of Battenberg and had issue, including Prince Philip, Duke of Edinburgh.
 * 8) Prince Christopher of Greece and Denmark  (10 August 1888 – 21 January 1940) married Princess Françoise of Orléans and had issue.

Titles and styles

 * 3 September 1851 – 27 October 1867 Her Imperial Highness Grand Duchess Olga Constantinovna of Russia.
 * 27 October 1867 – 18 March 1913 Her Majesty The Queen.
 * – 18 March 1913 – 17 November 1920 Her Majesty The Dowager Queen.
 * 17 November 1920 – 19 December 1920 Her Majesty The Queen Regent.