Pierre Chaptal
- Born on June 11, 1726 in Châtillon-Saint-Jean
- Deceased on August 20, 1728 in this municipality, at the age of 2 years
Parents
- Romain Chaptal (1696 - 1782), châtelain de Saint-Jean, maire de Saint-Paul-lès-Romans
- Françoise Fayard (1701 - 1782)