"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." - (en.wikipedia.org 02.10.2020)