A nobleman born in Sarreguemines the son of Charles Victor Bachasson, Seigneur de Montalivet, Maréchal de camp, Knight of the Order of Saint Louis and Councilor Secretary of the King in the Chancellery of Corsica, etc., and second wife Marthe de Saint-Germain, Noble Femme, he was counsellor to the Grenoble parlement from 1785 à 1790, and, while in Valence, he became friends with a Napoleon Bonaparte, who was a young officer at the time. In 1788, during the bloody riots known as the Journée des Tuiles, he took the side of the revolt and was banished to his château in Montmeyran.
