Famous Celebrity born in 1721 Madame de Pompadour (43 years)Jean Baptiste Berthier (83 years)Anna Dorothea Therbusch (61 years)Johann Kirnberger (62 years)Louis Victor, Prince of Carignan (57 years)Kazimierz Poniatowski (79 years)Tobias Smollett (50 years)Thomas Blacklock (70 years)Fredrik Henrik af Chapman (87 years)Pierre Victor, baron de Besenval de Brünstatt (70 years)David Zeisberger (87 years)