Grand duke (feminine: grand duchess) is a European hereditary title, used either by certain monarchs or by members of certain monarchs' families. In status...

The Grand Duke; or, The Statutory Duel, is the final Savoy Opera written by librettist W. S. Gilbert and composer Arthur Sullivan, their fourteenth and...

Heinrich; born 16 April 1955) is Grand Duke of Luxembourg, reigning since 2000. He is the eldest son of Grand Duke Jean and Princess Joséphine-Charlotte...

Grand Duke Kirill Vladimirovich of Russia (Russian: Кирилл Владимирович Романов; Kirill Vladimirovich Romanov; 12 October [O.S. 30 September] 1876 – 12...

Guillaume, Hereditary Grand Duke of Luxembourg (Guillaume Jean Joseph Marie; born 11 November 1981), is the heir apparent to the Luxembourg throne and...

1937) was the last Grand Duke of Hesse and by Rhine, reigning from 1892 until 1918. Ernest Louis was the elder son of Louis IV, Grand Duke of Hesse and...

1921 – 23 April 2019) was the Grand Duke of Luxembourg from 1964 until his abdication in 2000. He was the first Grand Duke of Luxembourg of French agnatic...

Grand Duke Sergei Alexandrovich of Russia (Russian: Сергей Александрович; 11 May 1857 – 17 February 1905) was the fifth son and seventh child of Emperor...

The Grand Duke of Luxembourg is the head of state of Luxembourg. Luxembourg has been a grand duchy since 15 March 1815, when it was created from territory...

Grand Duke Vladimir Kirillovich of Russia (Russian: Владимир Кириллович Романов; 30 August [O.S. 17 August] 1917 – 21 April 1992) was the Head of the...

Grand Duke Dmitri Pavlovich of Russia (Russian: Великий Князь Дмитрий Павлович; 18 September 1891 – 5 March 1942) was a son of Grand Duke Paul Alexandrovich...

Grand Duke Nicholas Nikolaevich of Russia (Russian: Николай Николаевич Романов (младший – the younger); 18 November 1856 – 5 January 1929) was a Russian...

Grand Duke Konstantin Nikolayevich of Russia (Russian: Великий князь Константин Николаевич; 21 September 1827 – 25 January 1892) was the Emperor's Viceroy...

Großherzog von Hessen und bei Rhein; 12 September 1837 – 13 March 1892) was the Grand Duke of Hesse and by Rhine from 13 June 1877 until his death in 1892. Through...

Grand Duke Alexander Alexandrovich of Russia (Russian: Великий Князь Александр Александрович Романов; 7 June 1869 – 2 May 1870) was the second son of...

Poland and Grand Duke of Lithuania). The title of the Grand Duke of Lithuania mostly came into force during the reign of Grand Duke Vytautas the Great, who...

Grand Duke George Mikhailovich of Russia (Russian: Георгий Михайлович Романов, romanized: Gěorgij Mihajlovič Romanov, also spelled Romanoff; German: Georg...

reforms was begun, with the aim of unifying the disparate territories under the grand duke's control. The political history of the grand duchy during this period...

Nikolayevich, Grand Duke Nicholas Nikolayevich of Russia, and similar terms, may refer to: Grand Duke Nicholas Nikolaevich of Russia (1831–1891) Grand Duke Nicholas...

The Grand Duke of Finland, alternatively the Grand Prince of Finland after 1802, was, from around 1580 to 1809, a title in use by most Swedish monarchs...

was the penultimate Holy Roman Emperor, as well as King of Hungary, Croatia and Bohemia, and Archduke of Austria from 1790 to 1792, and Grand Duke of Tuscany...

Alexander III of Russia and the senior Grand Duke of the House of Romanov during the reign of his nephew, Emperor Nicholas II. Grand Duke Vladimir followed a...

November 1905) was Grand Duke of Luxembourg from 23 November 1890 to his death on 17 November 1905. The first grand duke from the House of Nassau-Weilburg...

Grand Duke Alexei Alexandrovich of Russia (Алексе́й Алекса́ндрович; 14 January [O.S. 2 January] 1850 in St. Petersburg – 14 November 1908 in Paris) was...

Grand Duke Michael Nikolaevich of Russia (25 October 1832 – 18 December 1909) was the fourth son and seventh child of Emperor Nicholas I of Russia and...

George: Grand Duke George Mikhailovich of Russia (1863-1919), grandson of Nicholas I and son of Grand Duke Michael Nikolaevich of Russia. Grand Duke George...

1933) was an Imperial Grand Duke and dynast of the House of Romanov of the Russian Empire, a naval officer, an author, explorer, the first cousin once removed...

Grand Duke Michael Mikhailovich of Russia (Russian: Михаил Михайлович; 16 October 1861 – 26 April 1929) was a son of Grand Duke Michael Nicolaievich of...

Grand Duke Paul Alexandrovich of Russia (Russian: Павел Александрович; 3 October 1860 – 28 January 1919) was the sixth son and youngest child of Emperor...

Grand Duke of Tuscany from 1790 to 1801 and, after a period of disenfranchisement, again from 1814 to 1824. He was also the Prince-elector and Grand Duke...