I. Youngest daughter of Agrippa and Julia, and wife of Germanicus, born before 12 B. C, died A. D. 33. She was a woman of great ability, beauty, and virtue. She accompanied Germanicus in his campaigns, and once, in his absence, took the command and saved the army by preventing the breaking down of a bridge over the Rhine in a panic. After the death of Germanicus in Asia she brought homo his ashes, and was met everywhere on the way with manifestations of sympathy and respect, and at Rome with unparalleled honors. But she was an object of hatred to the emperor Tiberius, and in A. D. 30 he banished her to the island of Pandataria, where she died, as is supposed, by voluntary starvation. She was the mother of nine children, one of whom was the emperor Caligula. Her sons Nero and Drusus fell victims to the tyranny of Tiberius and the jealousy of Sejanus.

II. Daughter of the preceding, born at Cologne (hence called Colonia Agrippina) between A. D. 13 and 17, died in 59. She was gifted and beautiful, but is one of the vilest characters in history. She was first married to Cn. Domitius Ahenobar-bus, and after his death to Crispus Passienus, whom she was accused of poisoning. Her brother Caligula banished her and her sister Drusilla to the island of Pontia in 39, but they were released by Claudius on his accession in 41. After the murder of Messalina she succeeded in inducing her uncle Claudius to marry her (49), the act being legalized by the senate, and to adopt her son Nero by Ahenobarbus as his successor, to the exclusion of his own son Britannicus. She then proceeded to remove all rivals and enemies by poison, and finally Claudius himself (54), his fate being hastened by an incautious threat uttered by him. After Nero's accession, having alienated him by domestic intrigues, she resorted to the most revolting means for regaining his affection; but her efforts failed, and she was assassinated by his orders in her villa on the Lucrine lake, after the failure of an attempt to drown her in a vessel purposely contrived to break to pieces at sea.

She left commentaries on her own and her family's history, which were used by Tacitus.