The church is also a burial site for Pauline de Beaumont , FrÃ dÃ ric Bastiat , and Cardinal FranÃ ois-Joachim de Pierre de Bernis . The church was chosen as the burial place for the higher prelates and members of the French community of Rome : these include the tomb of Pauline de Beaumont , who died by consumption in Rome in 1805 , erected by her lover Chateaubriand , the classic liberal economist FrÃ dÃ ric Bastiat and that of Cardinal FranÃ ois-Joachim de Pierre de Bernis , ambassador in Rome for Louis XV and Louis XVI .