House of Tusculum

The House of Tusculum were a powerful noble family of Latium, Italy. They were the Counts of Tusculum between the 10th and 12th centuries. Several popes and an antipope during the 11th century came from their family. The counts of Tusculum were influential figures in Roman politics and religion for more than a century.
Counts.
This list is partially incomplete in the 10th century. The chronology and dates are often uncertain. They were only counts from about 1013. Before this, they were lords.
Popes.
Those who were also counts are listed in boldface.
Two of the Tusculum clerics are today known as antipopes: