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
Politics of Monaco Politics of Monaco The politics of Monaco take place within the framework of a constitutional monarchy, with the Prince of Monaco as head of state, with some powers devolved to several advisory and legislative bodies. Historically, the princes of the ruling House of Grimaldi were autocrats of an absolute monarchy until the first Constitution of Monaco was adopted in 1911. A second constitution was granted by Prince Rainier III on December 17, 1962, outlining legislative, judicial, and executive branches of government, which consist of several administrative offices and a number of councils. The Prince as head of state retains most