Rainier III, Prince of Monaco Rainier III, Prince of Monaco Rainier III (Rainier Louis Henri Maxence Bertrand Grimaldi; 31 May 1923 – 6 April 2005) ruled the Principality of Monaco for almost 56 years, making him one of the longest ruling monarchs in European history. Though internationally known for his marriage to American actress Grace Kelly, he was also responsible for reforms to Monaco's constitution and for expanding the principality's economy beyond its traditional casino gambling base. Gambling accounts for only approximately three percent of the nation's annual revenue today; when Rainier ascended the throne in 1949, it accounted for more than 95 percent. Rainier
Jacques, Hereditary Prince of Monaco Jacques, Hereditary Prince of Monaco Jacques, Hereditary Prince of Monaco, Marquis of Baux (Jacques Honoré Rainier Grimaldi; born 10 December 2014), is the heir apparent to the Monegasque throne. He is the son of Prince Albert II and Princess Charlene and twin brother of Princess Gabriella. On 30 May 2014, it was announced that Princess Charlene was pregnant. After much speculation it was confirmed, on 9 October 2014, that the couple was expecting twins by the end of the year. On November 21, 2014, the palace announced that each twin would have the right to a salvo of 21 cannon