Drusus Julius Caesar
Julia was born in the later years of the reign of her adoptive great-grandfather, Emperor Augustus, and was the daughter of Drusus Julius Caesar (a grandson of Augustus wife' Livia Drusilla through her son Tiberius) and Livilla (a granddaughter of Livia Drusilla through her son Nero Claudius Drusus, and a granddaughter of Mark Antony through his daughter Antonia Minor). At the time of Augustus' death in AD 14, Julia, who was in early childhood, fell ill. Before he died, the aged emperor had asked his wife Livia whether Julia had recovered.