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Illustration of Gros from the 1841 edition of his bookCover of 1763 edition of RecuilA page from one of Gros' books
Gros was born in Marseille and studied to be a priest, however he was never ordained. He was a friend of Marquise Pauline de Simiane (grand daughter of Madame de Sévigné). He lived in Paris for a time where he got married and had children and finally settled in Lyon where he obtained the administrative charge of fermier and where he died.
