Prompt
Generate a realistic portrait image of John Vernou Bouvier III, also known as "Black Jack", a middle-aged American man from a wealthy family, dressed in formal 1920s-1950s attire, with a strong facial resemblance to his daughters Jacqueline Kennedy Onassis and Lee Radziwill, standing in front of a classic New York City or East Hampton background, in a style reminiscent of vintage photographs.