Complex sentence: The palace was built in a style reminiscent of the historical Marchigiani Villas in 1771 at the behest of the Marquise Onofrio del Grillo.
Split into simpler sentences: The palace was built in a style reminiscent of the historical Marchigiani Villas. It was built in 1771 at the behest of the Marquise Onofrio del Grillo.