D'Argenson, Comte, an eminent French statesman, head of the police in Paris; introduced lettres de cachet, and was a patron of the French philosophes; had the “Encyclopédie” dedicated to him; fell out of favour at Court, and had to leave Paris, but returned to die there (1696‒1764).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
D'Argens, Marquis * Daric