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
Florestan I, Prince of Monaco Florestan I, Prince of Monaco Florestan I, Prince of Monaco (10 October 1785 in Paris – 20 June 1856) was Prince of Monaco and Duke of Valentinois from 2 October 1841 until his death. He was born Tancrède Florestan Roger Louis Grimaldi the second son of Prince Honoré IV and Louise d'Aumont Mazarin and succeeded to the throne on the death of his brother, Honoré V. Brought up by his mother, he showed an early and strong aptitude for literature. At the age of eleven, he enrolled in the School of Fontainebleau, but did not stay there long. He entered