His participation in the naval battle of Lepanto in 1571 is commemorated by the Via Lepanto leading to the family palazzo. The 17th century church of Sant’ Andrea contains the tombs of the Colonna, including a magnificent tomb for Prince Filippo II Colonna by Bernardino Ludovisi, completed in 1745. In the 19th century the Colonna fortress was sold to the Papal States, which used it as a prison.