Adélaïde Diane de Cossé

Princess Adélaïde Diane Mancini called, Mancinette, was a French court official and member of the House of Mancini. She served as the dame d'atour to queen Marie Antoinette from 1771 to 1775. She is known to have curbed the expenses of the queen's wardrobe during her time in office and created order in the queen's economy, which was however ruined by her successor.