Rainier III, Prince of Monaco Our Lady Immaculate, the resting place of previous sovereign princes of Monaco and several of their wives, and the place where Prince Rainier and Princess Grace had been married in 1956. Because his death occurred shortly after that of Pope John Paul II, Rainier's death was overshadowed in the media. "See also: List of titles of the Monegasque Crown" 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
Louis II, Prince of Monaco Prince. When Louis died five years later, he was succeeded by his grandson, Prince Rainier III. Louis II, Prince of Monaco Louis II (12 July 1870 – 9 May 1949) was Prince of Monaco from 1922 to 1949. Born Louis Honoré Charles Antoine Grimaldi in Baden-Baden, Germany, he was the only child of Prince Albert I of Monaco (1848–1922), and Lady Mary Victoria Hamilton (11 December 1850 – 14 May 1922). His mother was a daughter of William Alexander Anthony Archibald Hamilton, 11th Duke of Hamilton, and his wife, Princess Marie Amélie Elizabeth Caroline of Baden. Within a year of