Albert II, Prince of Monaco Prince William, Duke of Cambridge, and Catherine Middleton on 29 April 2011. The wedding took place over two days: the civil marriage ceremony took place on 1 July 2011, followed by the religious ceremony on 2 July 2011. Twins Gabriella Thérèse Marie, Countess of Carladès and Jacques Honoré Rainier, Hereditary Prince of Monaco were born to Prince Albert and Princess Charlene on 10 December 2014. On 10 December 2014, Prince Albert and Princess Charlene welcomed their first and second child, twins Gabriella Thérèse Marie and Jacques Honoré Rainier. The twins were born at Princess Grace Hospital in La Colle, Monaco.
Rainier III, Prince of Monaco was born at Prince's Palace in Monaco, the only son of Prince Pierre of Monaco, Duke of Valentinois and his wife, the Monegasque Hereditary Princess, Charlotte, Duchess of Valentinois. Rainier was the first native-born hereditary prince of Monaco since Honoré IV in 1758. Rainier's mother was the only child of Prince Louis II of Monaco and Marie Juliette Louvet; she was later legitimized through formal adoption and subsequently named heir presumptive to the throne of Monaco. Rainier's father was a half-French, half-Mexican who adopted his wife's surname, Grimaldi, upon marriage and was made a prince of Monaco by Prince Louis,