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
History of Monaco escaped arrest and fled to Switzerland. In August 1944, the Germans executed René Borghini, Joseph-Henri Lajoux and Esther Poggio, who were Resistance leaders. Under Prince Louis' secret orders, the Monaco police, often at great risk to themselves, warned in advance those people whom the Gestapo planned to arrest. The country was liberated, as German troops retreated, on 3 September 1944. The current ruler, Prince Albert II, succeeded his father Prince Rainier III in 2005. Prince Rainier, in turn, had acceded to the throne following the death of his grandfather, Prince Louis II, in 1949. The revised Constitution of Monaco, proclaimed