Complex sentence: Faltonia Betitia Proba, the cento's author, was born around 322 and married to Clodius Celsinus Adelphius, a prefect of Rome in 351.
Split into simpler sentences: Faltonia Betitia Proba, the cento's author, was born around 322. Proba was married to Clodius Celsinus Adelphius, a prefect of Rome in 351.