Клавдия Марцелла
Claudia Marcella Major ("PIR2" C 1102; born some time before 40 BC) was the senior niece of Roman emperor Augustus, being the eldest daughter of his sister Octavia the Younger and her first husband Gaius Claudius Marcellus. She became the second wife of Augustus foremost general Marcus Vipsanius Agrippa and after that the wife of Iullus Antonius, the son of Mark Antony.