Princess And Duke See The Pope -- Princess Elizabeth (centre) with the Duke of Edinburgh (on her left), seen when they had private audience with the Pope. Wearing a black velour dress, reaching to the ground, and a black veil of Spanish lace, Princess Elizabeth, accompanied by the Duke of Edinburgh, was received in audience by Pope Pius XII. The Duke was in Naval uniform. Welcoming the royal couple in fluent English, the Pope asked after their children and sent his respects to the King and Queen. April 13, 1951.