Significant events and figures; background; family; daughter; sister; niece; wife; mother; the end; sources appendices: the year of Agrippina the younger's birth; the husbands of Domitia and Lepida III; the date of Nero's birth; the family of Marcus Aemilius Lepidus; Agrippina's movements in late 39; the date of Seneca's tutorship; the decline in Agrippina's power; the patronage of Seneca and Burrus in 54-9; SC on gold and silver coins of Nero; the final days of Agrippina.