Monaco succession crisis of 1918 of this event, pursuant to the clauses of the treaty of 17 July 1918." The French government at the time was still the Vichy regime. Louis II died on 9 May 1949. The Principality of Monaco passed to his grandson, Rainier III. In the absence of an heir male, the ducal titles of Valentinois and Estouteville became extinct in French nobiliary law. Before Rainier III married Grace Kelly in April 1956, he notified the French government of his plans; the French ministry of foreign affairs replied with a message of official congratulations. Count Louis de Causans is suing the French
Louis II, Prince of Monaco Dommanget (1900–91), a French film actress and former wife of actor André Brulé. Absent from Monaco during most of the final years of his reign, he and his wife lived at Marchais, the family estate near Paris. Prince Louis II died in 1949 in the Prince's Palace and is buried at the Saint Nicholas Cathedral in Monte Carlo, Monaco. His widow, Ghislaine, Dowager Princess of Monaco, died on 30 April 1991 in Paris, where she was interred in the Passy Cemetery. Hereditary Princess Charlotte ceded her succession rights to her son, Rainier, in 1944, at which time he became Hereditary