Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page La Voisin:

"

From the late 1660s, La Voisin had become a wealthy and famous fortune teller with clients among the highest aristocracy of France. Among her clients were Olympia Mancini, comtesse de Soissons; Marie Anne Mancini, duchess de Bouillon; Elizabeth, comtesse de Gramont, and François-Henri de Montmorency, duc de Luxembourg.[citation needed]