Félicité de Genlis

An author – Philippe's ex-mistress: a woman of sweet and iron wilfulness

Félicité de Genlis, novelist, was once mistress to Philippe the Duke of Orléans, with whom she has a secret daughter. Now she advises him in his machinations, educates his children, and procures his new mistresses. She is married to Charles-Alexis Brulard de Sillery.

“Félicité” De Genlis (1746-1830) - History of Women Philosophers & Scientists
Stéphanie Félicité, comtesse de Genlis - Wikipedia