Ernest Augustus, Crown Prince of Hanover

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Ernest Augustus
Crown Prince of Hanover Duke of Cumberland and Teviotdale
Head of the House of Hanover
Pretence	12 June 1878 – 14 November 1923
Predecessor	George V
Successor	Ernest Augustus, Duke of Brunswick
Born	(1845-09-21)21 September 1845 Hanover, Kingdom of Hanover
Died	14 November 1923(1923-11-14) (aged 78) Gmunden, First Austrian Republic
Burial	Gmunden
Spouse	Princess Thyra of Denmark ​ ​ (m. 1878)​
Issue	Marie Louise, Margravine of Baden Georg Wilhelm, Hereditary Prince of Hanover Alexandra, Grand Duchess of Mecklenburg-Schwerin Princess Olga Prince Christian Ernest Augustus, Duke of Brunswick
Names German: Ernst August Wilhelm Adolf Georg Friedrich English: Ernest Augustus William Adolphus George Frederick
House	Hanover
Father	George V of Hanover
Mother	Marie of Saxe-Altenburg

Ernest Augustus, Crown Prince of Hanover, 3rd Duke of Cumberland and Teviotdale (German: Ernst August; 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 deprived of the throne of Hanover upon its annexation by Prussia in 1866 and later the Duchy of Brunswick in 1884. Ernest Augustus was deprived of his British peerages and honours for having sided with Germany in World War I.