Pierre-Joseph Tiolier was born of French parents in London, England on 17 March 1763, the youngest of at least fourteen children. His family originated in Auvergne and included lawyers, businessmen, doctors, clergymen and civil servants. His father, Joseph Tiolier of
Cournon, Auvergne was established as a master confectioner in
Lons-le-Saunier in 1840. Pierre-Joseph Tiolier was taught by his brother-in-law,
Pierre-Simon-Benjamin Duvivier. ==Career==