query: noble_family grand duchess elena vladimirovna of russia
supports: Grand Duke Vladimir Alexandrovich of Russia (" ") ) (22 April 1847  17 February 1909) was a son of Emperor Alexander II of Russia, a brother of Tsar Alexander III of Russia and the senior Grand Duke of the House of Romanov during the reign of his nephew, Tsar Nicholas II. The House of Oldenburg is a European royal house of North German origin. It is one of Europe's most influential royal houses with branches that rule or have ruled in Denmark, Iceland, Greece, Norway, Russia, Sweden, Schleswig, Holstein, and Oldenburg. The current Queen of Denmark, the King of Norway and the former King of Greece, as well as the consorts of Greece and the United Kingdom and the first seventeen names in the line of succession to the British throne, all belong to this house. Prince Nicholas of Greece and Denmark (22 January 1872  8 February 1938), of the Glücksburg branch of the House of Oldenburg, was the fourth child and third son of George I, King of the Hellenes, and of Queen Olga. He was known as "Greek Nicky" in the family to distinguish him from his paternal first cousin Emperor Nicholas II of Russia. Prince Nicholas was a talented painter, often signing his works as "Nicolas Leprince." Grand Duches Elena Vladimirovna of Russia 17 January 1882 -- 13 March 1957 , sometimes known as Helen , Helena , Helene , Ellen , Yelena , Hélène , or Eleni , was a Russian grand duchess as the daughter of Grand Duke Vladimir Alexandrovich of Russia and Duchess Marie of Mecklenburg - Schwerin . She was the wife of Prince Nicholas of Greece and Denmark . The House of Romanov was the second dynasty, after the House of Rurik, to rule over Russia, and reigned from 1613 until the abdication of Tsar Nicholas II on March 15, 1917, as a result of the February Revolution. Duchess Marie of Mecklenburg-Schwerin (later Grand Duchess Maria Pavlovna of Russia, known as "Miechen" or "Maria Pavlovna the Elder"; 14 May 1854  6 September 1920) was born Marie Alexandrine Elisabeth Eleonore of Mecklenburg-Schwerin, daughter of Grand Duke Frederick Francis II of Mecklenburg-Schwerin and Princess Augusta of Reuss-Köstritz. A prominent hostess in St Petersburg following her marriage to the Grand Duke Vladimir Alexandrovich of Russia, she was known as the "grandest of the grand duchesses" and had an open rivalry with the Empress Maria Feodorovna.
candidates: house of oldenburg house of romanov reuss
answer: house of romanov