The term "d'Este" refers to a prominent Italian noble family that played a significant role in the history of the Renaissance. Originating from the region of Ferrara, the d'Este family became known for their patronage of the arts and their influence in politics. They produced several notable figures, including Lucrezia Borgia and Isabella d'Este, who were key players in the cultural and political landscape of their time. The d'Este family is also associated with the construction of magnificent palaces and gardens, such as the Estense Castle in Ferrara and the Palazzo Ducale in Mantua. Their legacy includes contributions to music, literature, and visual arts, making them an essential part of the cultural heritage of Italy.