Monaco home and held in the Drancy deportation camp outside the French capital before being transported to the Auschwitz concentration camp, where he was later killed. Blum's colleague Raoul Gunsbourg, the director of the Opéra de Monte-Carlo, helped by the French Resistance, escaped arrest and fled to Switzerland. In August 1944, the Germans executed René Borghini, Joseph-Henri Lajoux and Esther Poggio, who were Resistance leaders. Rainier III, who ruled until 2005, succeeded to the throne following the death of his grandfather, Prince Louis II, in 1949. On 19 April 1956, Prince Rainier married the American actress Grace Kelly; the event was
Princess Florestine of Monaco his succession to the princely throne of Monaco and the Grimaldi noble titles. However, France had undergone two wars against Germany and did not wish to see German princes ruling the Principality of Monaco. Therefore, France reached an agreement with the principality allowing the illegitimate daughter of Louis II, Charlotte, to be his heir presumptive to the princely throne and Grimaldi noble titles. Charlotte renounced and ceded her rights to the princely throne on 30 May 1944 to her son Rainier who became Rainier III, Prince of Monaco. Princess Florestine of Monaco Princess "Florestine" Gabrielle Antoinette of Monaco (Full French