Stefano Casiraghi, born in 1960, was the son of a wealthy Italian businessman.

On December 29, 1983, he married Princess Caroline of Monaco, whom he 'd met a year earlier at a Monte Carlo disco. The low-key, last-minute nuptials – the wedding was officially announced by the palace ten days before it took place – led to speculation that Caroline was pregnant. And sure enough, Andrea Albert Pierre was brought into the world on June 8, 1984. The young boy, named after a friend of his father who had died in an accident, was followed in 1986 by a sister, Charlotte Marie Pomeline, named for Rainier's mother, and, one year later, a brother, Pierre Rainier Stefano.

However, the fairy tale was cut short on October 3, 1990, when Stefano, an avid sportsman, was killed in a speedboat racing accident. He was just 30 years old.