Complex sentence: Suetonius, The Twelve Caesars, Tiberius, 4-6 After 3 years of fleeing from Octavian, Nero returned to Rome with Livia and the younger Tiberius, aged 3.
Split into simpler sentences: Suetonius, The Twelve Caesars, Tiberius, 4-6. After three years of fleeing from Octavian, Nero returned to Rome with Livia and the younger Tiberius, aged 3.