Also known as La Voisin, Catherine Monvoisin was a midwife and French sorceress who was a personage in the Affaire des Poisons, in which several members of the aristocracy were executed for witchcraft and poisoning. She was a well-known practitioner of medicine, provider of abortions and maker of love powders and potions, and she served many famous Parisian women. Monvoisin was burned at the stake in 1680.
Link -Thanks, Mike Vogt!