Complex sentence: Rocca dei Rossi castle, located in San Secondo Parmense, Italy, was begun in 1466 on land donated to Giacomo Rossi, a member of one of the most prestigious families in Parma.
Split into simpler sentences: Rocca dei Rossi is a castle located in San Secondo Parmense, Italy. It was begun in 1466 on land donated to Giacomo Rossi, a member of one of the most prestigious families in Parma.