The Odescalchi family is an Italian noble family with roots tracing back to the 15th century. They gained prominence in the Papal States and were known for their influence in both political and religious spheres. The family produced several notable figures, including cardinals and diplomats. One of the most famous members is Benedetto Odescalchi, who became Pope Innocent XI in the late 17th century. The family has a rich heritage, with various palaces and estates, including the Odescalchi Castle in Bracciano, which showcases their historical significance and architectural contributions.