Known as Louise Marie, she was born after the official separation of Madame de Montespan and her legal husband.

Some three years after her birth, she was joined by another sister, Françoise-Marie de Bourbon – future wife of Philippe d'Orléans Régent of France.

She was known as Mademoiselle de Tours until her premature death in 1681, at the age of six of Tuberculosis She died at Bourbon-l'Archambault.

After her death, writing to the duc du Maine, her mother said: I do not speak to you of my grief, you are naturally too good not to have experienced it for yourself.

As for Mademoiselle de Nantes, she has felt it as deeply as if she were twenty and has received the visits of the Queen and Madame la Dauphine.