Complex sentence: Following school in Perugia and Pisa, Cesare studied law at the "Studium Urbis" (nowadays Sapienza University of Rome), along with his father's elevation to Pope, Cesare was made Cardinal at the age of 18.
Split into simpler sentences: Following school in Perugia and Pisa, Cesare studied law at the "Studium Urbis" (nowadays Sapienza University of Rome). Along with his father's elevation to Pope, Cesare was made Cardinal at the age of 18.