Which two flavin emperors did not persecute Christians?

The two Flavian emperors who did not persecute Christians are Vespasian and Titus. Vespasian ruled from 69 to 79 AD and focused on restoring stability to the empire after the civil wars, while Titus, who reigned from 79 to 81 AD, is often remembered for his generosity, especially during the disasters of Pompeii and the Roman fire. Neither of these emperors is known for actively targeting Christians in their policies.