Barthélemy, François, marquis de, 1747?–1830, French statesman. While minister to Switzerland, he negotiated the Treaties of Basel (1795), which took Prussia and Spain out of the French Revolutionary Wars. Elected to the Directory (1797), he was arrested in the coup of 18 Fructidor (Sept. 4, 1797) and was deported to French Guiana. He soon escaped, returned to France, and supported Napoleon. In 1814 he went over to the Bourbons, who raised him to the peerage.
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