Complex sentence: The title, and its dominion over the territory of 20 towns including Chinchón itself, remained in the Cabrera family until 1683, when the Italian aristocratic Savelli family acquired the county.
Split into simpler sentences: The title, and its dominion over the territory of 20 towns including Chinchón itself, remained in the Cabrera family until 1683. At that point, the Italian aristocratic Savelli family acquired the county.