Complex sentence: Emperor Honorius, safe in inaccessible Ravenna, refuses to negotiate for peace, despite repeated offers from Alaric, who then comes to terms with the Senate and sets up a rival emperor, Priscus Attalus, prefect ("praefectus urbi") of the city.
Split into simpler sentences: Emperor Honorius, safe in inaccessible Ravenna, refuses to negotiate for peace, despite repeated offers from Alaric. He comes to terms with the Senate and sets up a rival emperor, Priscus Attalus, prefect ("praefectus urbi") of the city.