Marie Anne Mancini, Duchess of Bouillon (1649 - 20 June 1714), was an Italian-French aristocrat and cultural patron, the youngest of the five famous Mancini sisters, who along with two of their female Martinozzi cousins, were known at the court of Louis XIV, King of France as the Mazarinettes, because their uncle was the king's chief minister, Cardinal Mazarin. She is known for her involvement in the famous Affair of the Poisons, and as the patron of La Fontaine.
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Life
Marie Anne's parents were Lorenzo Mancini, a Roman baron, necromancer and astrologer, and Geronima Mazzarini, sister of Cardinal Mazarin.
Her four famous sisters were:
Laure (1636–1657), the eldest, who married Louis de Bourbon, Duke of Vendôme, grandson of King Henri IV and his mistress, Gabrielle d'Estrées, and became the mother of the famous French general Louis Joseph, Duke of Vendôme,
Olympe (1638–1708), who married Eugene Maurice, Count of Soissons and became the mother of the famous Austrian general Prince Eugene of Savoy,