High Quality Content by WIKIPEDIA articles! Ernst August IV, Prince of Hanover, Hereditary Prince of Brunswick, Prince of Great Britain and Ireland (German: Ernst August Prinz von Hannover) (18 March 1914, Braunschweig, Brunswick, Germany – 9 December 1987, Schulenburg, Pattensen, Lower Saxony, Germany) was head of the House of Hanover from 1953 until his death. He was the eldest son of Ernest Augustus III, Duke of Brunswick and Princess Viktoria Luise of Prussia, the daughter of his third cousin. Therefore, they were third cousins, once removed. From his birth, he was the Hereditary Prince of Brunswick (German: Ernst August, Erbprinz von Braunschweig). He was also, shortly after birth in 1914, awarded the title of Prince of Great Britain and Ireland by King George V of the United Kingdom, and was heir to the title of Duke of Cumberland and Teviotdale and Earl of Armagh. His British titles were suspended under the Titles Deprivation Act 1917.