Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Julia Agrippina, also known as Agrippina Minor, Agrippinilla, or Agrippina the Younger was a Roman empress. She was a great-granddaughter of the emperor Augustus, great-niece and adoptive granddaughter of the emperor Tiberius, sister to the emperor Caligula, niece and third wife of the emperor Claudius, and mother of the emperor Nero. Agrippina the Younger has been described by the ancient and modern sources as ruthless, ambitious, violent and domineering . She was a beautiful and reputable woman and according to Pliny the Elder, she had a double canine in her upper right jaw, a sign of good fortune.