He was killed in a speed boating accident off the coast of Monaco on October 3,1990 and is buried in the Chapelle de la Paix in Monaco, which is also the resting place of his wife's paternal grandfather, Prince Pierre of Monaco.
He was killed in a speed. This speed was boating accident off the coast of Monaco on October 3,1990. He is buried in the Chapelle de la Paix in Monaco. Monaco is also the resting place of his wife's paternal grandfather. Prince Pierre of Monaco is his wife's paternal grandfather.