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'
Agrippina the Elder Agrippina the Elder Agrippina the Elder (Latin:"Vipsania Agrippina"; Classical Latin: , c. 14 BC – AD 33), commonly referred to as "Agrippina the Elder" (Latin: "Agrippina Maior"), was a prominent member of the Julio-Claudian dynasty. She was born in c. 14 BC the daughter of Marcus Vipsanius Agrippa, a close supporter of Rome's first emperor Augustus, and Augustus' daughter Julia the Elder. At the time of her birth, her brothers Lucius and Gaius were the adoptive sons of Augustus and were his heirs until their deaths in AD 2 and 4, respectively. Following their deaths, her cousin Germanicus was made