 Margherita Gonzaga, Duchess of Ferrara

Margherita Gonzaga d'Este, Duchess of Ferrara (27 May 1564 – 6 January 1618) was an Italian noblewoman, the daughter of William I, Duke of Mantua (Guglielmo Gonzaga), and Eleonora of Austria, and the sister of Vincent I, Duke of Mantua, and Anna Caterina Gonzaga.She was the wife of Alfonso II d'Este, Duke of Ferrara and Modena, whom she married in February 1579.