Marie Joséphine of Savoy future king of Sardinia) was married to her sister-in-law Princess Clotilde of France in 1775. Her eldest brother-in-law, Dauphin Louis Auguste (the future Louis XVI of France), had married Marie Antoinette one year earlier. Marie Joséphine was by view of rank and connections deemed very suitable for a marriage to a French prince, and she had been regarded as a suitable bride of the Dauphin prior to his marriage in 1770. The marriage was supported by Madame du Barry, who wished to create an ally within the royal family and who the king allowed to form the household of the
Marie Antoinette and remarked in a letter to Auguste Marie Raymond d'Arenberg, comte de La Marck, that she was the only person the king had by him: "La reine est le seul homme que le roi ait auprès de lui." An agreement was reached turning Mirabeau into one of her political allies: Marie Antoinette promised to pay him 6000 livres per month and one million if he succeeded in his mission to restore the king's authority. The only time the royal couple returned to Paris in that period was on 14 July to attend the "Fête de la Fédération", an official ceremony