Original: The larger, called Rocca Maggiore, is a massive presence meant to intimidate the people of the town: it was built by Cardinal Albornoz (1367) and added to by Popes Pius II and Paul III.
Simplified: The larger castle is called Rocca Maggiore. It was built by Cardinal Albornoz in 1367 and was added to by Popes Pius II and Paul III.