Charlotte de La Mothe Houdancourt, duchesse de Ventadour

http://en.wikipedia.org/wiki/Madame_de_Ventadour

Charlotte de La Motte Houdancourt, Duchess of Ventadour (Charlotte Eléonore Madeleine; 1654–1744) was the governess of King Louis XV of France, great-grandson of King Louis XIV. She is credited with saving Louis XV from the ministrations of the royal doctors when he was ill as a child. She was the Gouvernante des enfants royaux, Governess of the Children of France like her mother, granddaughter, granddaughter in law and great grand daughter.

http://en.wikipedia.org/wiki/Madame_de_Ventadour

Charlotte de La Motte Houdancourt, Duchess of Ventadour (Charlotte Eléonore Madeleine; 1654–1744) was the governess of King Louis XV of France, great-grandson of King Louis XIV. She is credited with saving Louis XV from the ministrations of the royal doctors when he was ill as a child. She was the Gouvernante des enfants royaux, Governess of the Children of France like her mother, granddaughter, granddaughter in law and great grand daughter.
Elle est en 1712 la marraine de Louis, dauphin de France