 Unlike the deaths of his parents which were a national spectacle, the dauphin's death was a matter of administrative and medical record, consequently easier to repudiate.The myth of the substitution before the death of Louis-Charles was popularized and encouraged by Jean-Joseph Regnault Warin's immense popular novel Le Cimetière de la Madeleine in 1800.Pretenders increased in regularity after the accession of King Louis XVIII in the Bourbon Restoration.