The adopted son and heir of the founder of the Roman Principate was given what name at birth?
Gaius Caesar Gaius Caesar (20BC – 21 February 4AD), formally Gaius Julius Caesar (Latin: "Caius Caesar Augustus filius"), was the adopted son and heir of Augustus. He was born the son of Augustus' trusted friend and general, Marcus Vipsanius Agrippa. His name at birth was Gaius Vipsanius Agrippa, but it later changed to Gaius Julius Caesar, following his adoption out of the "Vipsanii" and into the "Julii" by Augustus. He along with his brother Lucius, born in 17BC, were intended to rule the Roman Empire together.
Lucius Iulius Maelo Caudicus Lucius Iulius Maelo Caudicus, born in 10 B.C., in the Olisipo region of Granja dos Serrões. The name "Caudicus" indicates an indigenous origin, who came to importance as the duumviri of Olisipo, and later, the flamen of the cult of Augustus.