Lucius Caesar

Lucius Julius Caesar (17 BC-2), most commonly known as Lucius Caesar, was a son of Marcus Vipsanius Agrippa. He was adopted, raised, and educated by his maternal grandfather Roman Emperor Caesar Augustus. Lucius died in Gaul of an illness in AD 2.

Lucius Caesar in Gunpowder Empire
In an alternate where Agrippa lived long enough to conquer Germania and succeed Augustus, Lucius Caesar became the third emperor of the Roman Empire upon the death of his father.