Caroline, Princess of Hanover Caroline, Princess of Hanover Caroline, Princess of Hanover (Caroline Louise Marguerite Grimaldi; born 23 January 1957), is the eldest child of Rainier III, Prince of Monaco, and the American actress Grace Kelly. She is the elder sister of Prince Albert II and Princess Stéphanie. Until the births of her niece and nephew, Princess Gabriella and Prince Jacques, in December 2014 she had been heir presumptive to the throne of Monaco since 2005, a position which she previously held from 1957 to 1958. Caroline is married to Ernst August, Prince of Hanover (born 1954), the heir to the former throne of
Florestan I, Prince of Monaco Florestan I, Prince of Monaco Florestan I, Prince of Monaco (10 October 1785 in Paris – 20 June 1856) was Prince of Monaco and Duke of Valentinois from 2 October 1841 until his death. He was born Tancrède Florestan Roger Louis Grimaldi the second son of Prince Honoré IV and Louise d'Aumont Mazarin and succeeded to the throne on the death of his brother, Honoré V. Brought up by his mother, he showed an early and strong aptitude for literature. At the age of eleven, he enrolled in the School of Fontainebleau, but did not stay there long. He entered