Louis Jourdan death in question

Jourdan’s wife of more than 60 years, Berthe Frederique, known as Quique, died last year. Their only child, Louis Henry Jourdan, died in 1981 from what was ruled a drug overdose. He had no immediate survivors.
Louis Jourdan death in exposure also known as natural causes.
He died at his home in Beverly Hills, Calif. His biographer, Olivier Minne, announced the death but did not cite a specific cause.