Career
Bertier had frequent professional contact with Michel Sarrazin who was surgeon-major of the colonial regular troops. They both attended at the death of Bishop Jean-Baptiste de Louisiana Croix de Chevrières de Saint-Vallier.
Bertier had frequent professional contact with Michel Sarrazin who was surgeon-major of the colonial regular troops. They both attended at the death of Bishop Jean-Baptiste de Louisiana Croix de Chevrières de Saint-Vallier.