Iullus Antonius also. Through his half-sister Antonia Minor, he was a maternal uncle of Germanicus, Livilla and the Emperor Claudius. Lastly, he was a paternal great-uncle of the Emperor Caligula, Julia's grandson by Agrippa, and the Empress Agrippina the Younger, Julia's eldest granddaughter, and Claudius' niece and fourth wife, as well as other children fathered by Germanicus and his wife Agrippina the Elder: Nero Julius Caesar, Drusus Caesar, Julia Drusilla, and Julia Livilla. Through Agrippina the Younger, Iullus was a maternal great-great-uncle of the Emperor Nero. Through his half-sister Antonia Major and stepsister Claudia Marcella Minor, he was also great-uncle to Claudius'
Vipsania Marcella Vipsania Marcella Vipsania Marcella Agrippina or Marcellina or Vipsania Tertia (born 27 BC or later) was perhaps the only daughter of Roman statesman Marcus Vipsanius Agrippa by his second wife Claudia Marcella Major. If so, she was the first grandchild to Octavia Minor and first great-niece to Roman Emperor Augustus. If she truly had the name Marcella, there is no way that she was a daughter of Agrippa's first wife, Caecilia Attica. She and her elder sister Vipsania Agrippina were married off to Quintus Haterius (cos. 5 BC), Publius Quinctilius Varus (cos. 13 BC) and Tiberius (also cos. 13 BC)