Career
He was one of four sons of Bernard Turcheim and Lili Schönenmann: Jean-Frédéric, Jean-Charles, Frédéric-Guillaume and Henri. His mother, Lili, (23 June 1758 at Frankfort – 1817) had been engaged to Johann Wolfgang von Goethe in 1775, but married Bernard Turckheim on 25 August 1778.