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
Monaco villas to poor documentation and archiving. As of 2016, Monaco still had no official preservation laws governing historic buildings. In 1960 Prince Rainier III established the Monaco Economic Development Corporation to attract new business to the Principality. It was successful in this, but the influx of new investors and workers resulted in a wave of demolitions of Belle Epoque villas to enable the construction of apartments and new hotels. Following major development in the 1970s, Prince Rainier III banned high rise development in the Principality. However his successor, Prince Albert II, overturned the Sovereign Order. This, and a further influx of