French writer and translator.
Served as aide-de-camp to Prince of Conti in the Italian wars. Retired from military duty and traveled extensively in Europe before settling in the countryside near Utrecht (c. 1758), where he devoted his time to literature and gardening. Published two military histories and a book on hyacinths; translated numerous literary and philosophical works, including Pope’s Essay on Man.
Distant relative of the duc de Saint-Simon (1675-1755), author of the Mémoires, and cousin once-removed of the comte de Saint- Simon (1760-1825), the economist.