Aemilia was the feminine gens for the Aemilius family. The Ancient Sources identify at least four of this name.
Aemilia Lepida I (4/3 BC - 53) was the eldest daughter to Vipsania Julia and her father Lucius Aemilius Paullus. She was the first great grand child of Caesar Augustus and a descendant of the triumvir Marcus Aemilius Lepidus. She had a younger brother named Marcus Aemilius Lepidus (6-39ad) who married Caligula's sister Drusilla.
In her younger years, she was betrothed to Claudius, but Aemilia's parents fell out of favour with Augustus, so Augustus broke it off. She married Marcus Junius Silanus Torquatus, a member of the ancient Julian family. Their children were
Aemilia was killed by Agrippina the Younger in 53ad.
Aemilia Lepida II – Daughter to Lepidus the Younger and sister to Manius Aemilius Lepidus. She married the wealthy and childless Publius Sulpicius Quirinius. In her younger years, she was engaged to Augustus’ heir Lucius Caesar. She had borne a son to senator Mamercus Aemilius Scaurus.
In 20ad, she was charged with adultery, poisoning, consulting astrologers, falsely to claim to bear a son to her ex-husband and attempting to poison her ex-husband. At her trial her brother defended her. During her trial, the Games were held. Other distinguished ladies, accompanied her into the theatre and protested her innocence to Tiberius. She was found guilty and was executed.
Aemilia Lepida III – Daughter of Marcus Aemilius Lepidus, consul in AD 6. She married her second cousin Drusus Caesar. During their marriage they had showered slanders towards each other. In 36ad she was charged with adultery with a slave and later committed suicide, out of her guilt.
Aemilia Lepida IV – Daughter of Manius Aemilius Lepidus. Married the future Roman Emperor Galba. He took their marriage very seriously. She had borne him 2 sons. After her and their son’s death, he never remarried.
When Lepida lived, Agrippina the Younger (then a widower after Gnaeus Domitius Ahenobarbus death) tried to make shameless advances on him. Galba was never interested. On one occasion Lepida’s mother gave Agrippina the Younger in a whole bevy of married women a public reprimand and slapped her in the face.