 The Gattara county was elevated to the rank of principality in 1685.In 1749 the Carpegna branch extinguished in the male line and was inherited by the marquesses Gabrielli-Carpegna who mainly lived in Rome and, after an interruption of their ruling status in the Napoleonic Kingdom of Italy, also inherited the principality of Gattara-Scavolino in 1817.Two years later however, both territories became parts of the Papal States.