List of Famous people named Duke

Duke Constantine Frederick Peter of Oldenburg was a Duke of the House of Oldenburg. He was the grandfather of Duke Peter of Oldenburg as well as grandfather of Grand Duke Nicholas Nikolaevich, General of the Imperial Russian Army during World War I. His great-great grandson, Nicholas Romanov, was the President of the Romanov Family Association until his death in 2014.

Duke Maximilian Emanuel in Bavaria, full German name: Maximilian Emanuel, Herzog in Bayern was a Duke in Bavaria and member of the House of Wittelsbach. Maximilian Emanuel was the tenth and youngest child of Duke Maximilian Joseph in Bavaria and his wife Princess Ludovika of Bavaria. Maximilian Emanuel was the brother of Elisabeth of Bavaria, Empress of Austria and Queen of Hungary.

Duke Constantine Frederick Peter of Oldenburg was a son of Duke Peter Georgievich of Oldenburg and his wife Princess Therese of Nassau-Weilburg Known in the court of Tsar Nicholas II as Prince Constantine Petrovich Oldenburgsky, he was the father of the Russian Counts and Countesses von Zarnekau.

Louis Ernest of Brunswick-Lüneburg-Bevern was a field-marshal in the armies of the Holy Roman Empire and the Dutch Republic, the elected Duke of Courland (1741). From 13 November 1750 to 1766 he was the Captain-General of the Netherlands, where he was known as the Duke of Brunswick or Duke of Brunswick-Wolfenbüttel. Another brother was Duke Ferdinand of Brunswick who led the Allied Anglo-German army during the Seven Years' War.

Adolf Friedrich Albrecht Heinrich, Duke of Mecklenburg, was a German explorer in Africa, a colonial politician, the elected duke of the United Baltic Duchy from 5 November to 28 November 1918, and the first president of the National Olympic Committee of West Germany (1949–1951).

Duke Charles Louis Frederick of Mecklenburg was a member of the Strelitz branch of the House of Mecklenburg. He was the father to Charlotte, Queen of the United Kingdom and Hanover and Adolphus Frederick IV, Duke of Mecklenburg-Strelitz.

Duke John Albert of Mecklenburg was a member of the House of Mecklenburg-Schwerin who served as the regent of two states of the German Empire. Firstly from 1897 to 1901 he was regent of Grand Duchy of Mecklenburg-Schwerin for his nephew Frederick Francis IV, Grand Duke of Mecklenburg, and from 1907 to 1913 he was Regent of the Duchy of Brunswick.

Duke Alexander Paul Ludwig Konstantin of Württemberg was a Germanic nobleman who was the father of Francis, Duke of Teck, who married into the British royal family and was the father of Mary of Teck the wife of King George V of the United Kingdom and the mother of King Edward VIII and King George VI. He is also an ancestor of Queen Elizabeth II

Duke Ferdinand Frederick Augustus of Württemberg was the fifth son of Frederick II Eugene, Duke of Württemberg and a Habsburg Austrian general during the French Revolutionary Wars and Napoleonic Wars. As a high-ranking nobleman, he started his military career as an Oberstleutnant in 1781. Promoted to General-major in 1788, he fought at Belgrade during the Austro-Turkish War. During the War of the First Coalition he led his troops at Neerwinden and was in command of the successful Siege of Condé in 1793.