Ernst August Albert Paul Otto Rupprecht Berthold Friedrich Ferdinand Christian Ludwig, Prince of Hanover (born 26 February 1954 in Hanover, Lower Saxony, Germany) is the son of Ernst August of Hanover (1914-1987) and his wife Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg (1925-1980). Prince Ernst August is head of the House of Hanover, the royal house which ruled the United Kingdom from 1714 to 1837.
As heir of the Duke of Cumberland and Teviotdale he has the right to petition under the Titles Deprivation Act, 1917 for the restoration of his British peerage titles (but has not done so).
He is styled Duke of Brunswick and Lüneburg and Prince of Great Britain and Ireland.
He first married, civilly on 28 August 1981 and religiously on 30 August 1981, Chantal Hochuli. They had two children, Ernst August (b. 1983) and Christian (b. 1985), and divorced on 23 October 1997.
He married secondly, on 23 January 1999, Princess Caroline of Monaco, daughter of Rainier III of Monaco and Grace Kelly. (By marrying a Catholic, he is removed from the line of succession to the British throne.)
They have one daughter, Alexandra (b. 20 July 1999).