circa 1930: Count Pierre de Polignac (1895 - 1964), who married Princess Charlotte of Monaco in 1920 and fathered the future Prince Rainier III. (Photo by Hulton Archive/Getty Images)
circa 1930: Count Pierre de Polignac (1895 - 1964), who married Princess Charlotte of Monaco in 1920 and fathered the future Prince Rainier III. (Photo by Hulton Archive/Getty Images)