The Este family was a ruling family in Ferrara, Italy, from the 12th to the 18th centuries. They were one of the most important princely families in Italy and Europe during the Renaissance period. The family's power and influence was based on their control of the city of Ferrara, which was an important cultural center during the Renaissance. The Este family was also known for its patronage of the arts, and many famous artists and writers were associated with them.