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Adélaïde Diane de Cossé

Adélaïde Diane de Cossé, called "Mancinette", née Mazarini-Mancini (1742–1808), was a French court official. She served as the dame d'atours to queen Marie Antoinette in 1771-1775. 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.

Life

She was the daughter of Louis-Jules Mancini-Mazarini, duke de Nivernais (1716–1798) and Françoise-Angélique Phélypeaux (1715–1781), and married in 1760 to duke Louis Hercule Timoléon de Cossé-Brissac (1734–1792). They had a son who died early, and a daughter who lived to adulthood.

Appointment

In September 1771, she was appointed dame d'atour to the Dauphine after the death of her predecessor, Amable-Gabrielle de Villars. Her appointment took place in the midst of the conflict between Marie Antoinette and Madame du Barry, and she was given the office on the request of du Barry because her spouse was an ally of du Barry and she was expected to share his loyalties and act as the agent of the royal mistress.

In reality, however, she turned out to have the opposite opinions of her spouse, and allied with the crown princess against the royal mistress. Despite having du Barry to thank for her office, she refused her invitations and demonstrated her loyalty to the crown princess, which resulted in a chain of court scandals.

Dame d'atour

Adélaïde Diane de Cossé was described as an honest and serious-minded person. When she took on her duties, she was reportedly chocked over the disorder and extravagance in the household of Marie Antoinette. In 1771, Marie Antoinette was not yet interested in fashion, and the financial disorder of her household was the result of the neglect by Adélaïde Diane de Cossé's predecessor in the office. Amable-Gabrielle de Villars had been given the office of dame d'atour to Marie Antoinette upon her arrival in France because the entire household of the former queen had been transferred to the new crown princess upon her arrival, and de Villars had merely kept her position. In reality, however, Amable-Gabrielle de Villars had by 1770 became too old and infirm to manage her office, and during her tenure, the Household of the Dauphine had abused her de facto absence to drain the Dauphine's economy.

Adélaïde Diane de Cossé managed to bring the finances in order and cooperated well with Florimond Claude, Comte de Mercy-Argenteau. She kept her office when Marie Antoinette became queen in 1774. She resigned in protest in 1775 when the queen reintroduced the office of Surintendante de la Maison de la Reine for her favorite Marie Thérèse Louise of Savoy, Princesse de Lamballe. de Cossé was temporarily succeeded as dame d'atour by Laure-Auguste de Fitz-James, Princess de Chimay, but more permanently by Marie-Jeanne de Mailly. By this point, Marie Antoinette had developed an interest in fashion, which was to eventually ruin her finances. The private economy of Marie Antoinette's wardrobe was not to be met with any restrictions until de Mailly's successor Geneviève d'Ossun took office and started to work toward curbing it.

Later life

Adélaïde Diane de Cossé spent the majority of the following years in Italy and in Nice, at that time a part of Savoy, as the warmer climate was judged better for her health. Her son, born in 1771, also suffered from bad health, and she took him to Italy to improve, but he died in 1775. She lived estranged from her husband, who was the lover of Madame du Barry from 1785 until his death.

On the outbreak of the French revolution in 1789, she had been in Italy since 1787, and remained she there during the revolution. In 1792, she was widowed when her husband was murdered during the September massacres. Her father was imprisoned during the Reign of Terror, and she herself was placed upon the list of emigrée's and her fortune in France was confiscated.

In 1797, her father, who had been released, was of ill health. She successfully applied to have herself removed from the emigrée list on the grounds that she had never emigrated during the revolution, and have her confiscated property restored by recommendation of general Joubert, and she returned to France in September 1798.