The Baptism of Princess Caroline Louise Marguerite of Monaco, the first child of Prince Rainier III and Princess Grace of Monaco, at the Saint Nicholas Cathedral in Monte Carlo on this day in 1957, which was followed by a Balcony Appearance from the Prince’s Palace in Monaco. The godparents of Princess Caroline, the then Heiress Presumptive, were Prince George Festetics de Tolna, a paternal cousin, and Margaret Davis, her maternal first cousin.