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
Jacques I, Prince of Monaco de Bourbon-Maine, a grand daughter of Louis XIV and his mistress, Madame de Montespan, was proposed as a wife for the widowed prince; despite having a large dowry, (she was the daughter of the Louis-Auguste de Bourbon, duc du Maine and his wife, Anne Louise Bénédicte de Bourbon) the marriage never materialised and the prince never married again. His Paris residence was named after him Hôtel Matignon and is today the official residence of the Prime Minister of France. Prior to his death, he was a frequent visitor to Versailles with his son. Jacques I, Prince of Monaco Jacques Goÿon