Nero Julius Caesar Germanicus was a close relative of the Roman emperors of the JulioClaudian dynasty.
Nero was born around AD 6, to Germanicus and Agrippina the Elder. His paternal grandparents were Nero Claudius Drusus and Antonia Minor, daughter of Mark Antony and Octavia Minor. His maternal grandparents were Marcus Vipsanius Agrippa and Julia the Elder, daughter of Augustus.
Source: Wikipedia