Ernest Augustus or Ernst August may refer to:

Royalty

House of Hanover

Ernest Augustus, Elector of Hanover Ernest Augustus (; 20 November 1629 – 23 January 1698), Duke of Brunswick-Lüneburg, was Prince of Principality of Calenberg, Calenberg from 1679 until his death, and father of George I of Great Britain. He was appointed as the ninth prince-ele ...

(1629–1698), father of King George I of Great Britain *

Ernest Augustus, Duke of York and Albany Ernest Augustus, Duke of York and Albany (17 September 1674 – 14 August 1728), was the younger brother of George I of Great Britain. Ernest Augustus was a soldier and served with some distinction under Emperor Leopold I during the Nine Years' W ...

, Prince-Bishop of Osnabrück, son of the previous *

Ernest Augustus, King of Hanover Ernest Augustus (; 5 June 177118 November 1851) was King of Hanover from 20 June 1837 until his death in 1851. As the fifth son of George III of the United Kingdom and Hanover, he initially seemed unlikely to become a monarch, but none of his e ...

(1771–1851), son of King George III of the United Kingdom *

Ernest Augustus, Crown Prince of Hanover Ernest Augustus, Crown Prince of Hanover, 3rd Duke of Cumberland and Teviotdale (; 21 September 1845 – 14 November 1923), was the eldest child and only son of George V of Hanover and his wife, Marie of Saxe-Altenburg. Ernest Augustus was dep ...

, (1845–1923), son of George V of Hanover *

Ernest Augustus, Duke of Brunswick Ernest Augustus (Ernest Augustus Christian George; ; 17 November 1887 – 30 January 1953) was Duke of Brunswick from 2 November 1913 to 8 November 1918. He was a grandson of George V of Hanover, thus a Prince of Hanover and a Prince of the Unit ...

(1887–1953), son of the previous *

Prince Ernest Augustus of Hanover (born 1914) Ernst August, Hereditary Prince of Brunswick, Prince of Hanover''Genealogisches Handbuch des Adels, Fürstliche Häuser'' XVIII. "Haus Hannover". C.A. Starke Verlag, 2007, pp. 22–26. . (; 18 March 1914 – 9 December 1987) was head of the Hou ...

(1914–1987), son of the previous *Prince

Ernst August von Hannover (born 1954) Ernst August von Hanover (;Prince's Palace of Monaco. retrieved 10 August 2011.de Badts de Cugnac, Chantal. Coutant de Saisseval, Guy. ''Le Petit Gotha''. Nouvelle Imprimerie Laballery, Paris 2002, p. 702 (French) born 26 February 1954) is the h ...

, son of the previous *

Prince Ernst August of Hanover (born 1983) Ernst August, Hereditary Prince of Hanover (; born 19 July 1983) is a German financier and the eldest child of Prince Ernst August of Hanover (born 1954), Ernst August, Prince of Hanover (head of the ancient House of Hanover#Kingdom of Hanover, ...

, son of previous

House of Wettin

Ernest Augustus I, Duke of Saxe-Weimar-Eisenach Ernst August I, Duke of Saxe-Weimar (German: ''Ernst August I''; 19 April 1688 – 19 January 1748), was a duke of Saxe-Weimar and, from 1741, of Saxe-Weimar-Eisenach. Biography He was the second but eldest surviving son of Johann Ernst III ...

(1688–1748) *

Ernest Augustus II, Duke of Saxe-Weimar-Eisenach Ernst August II Konstantin, Duke of Saxe-Weimar-Eisenach (2 June 1737 – 28 May 1758), was the reigning Duke of Saxe-Weimar-Eisenach. Early life He was the second (fifth in order of birth) but eldest and only surviving son of Ernst August& ...

(1737–1758), son of the previous

Other

* Ernst August (ship), a ship named after Ernest Augustus, King of Hanover {{human name disambiguation