When Agrippa died, and Lucius Caesar as he was on his way to our armies in Spain and Gaius while returning from Armenia still suffering from a wound, were prematurely cut off by destiny, or by their step-mother Livia's treachery,
Ann Book I Chapter 3: Augustus' succession

For she had gained such a hold on the aged Augustus that he drove out as an exile into the island of Planasia his only grandson, Agrippa Postumus
Ann Book I Chapter 3: Augustus' succession

The infirmities of Augustus increased, and some suspected guilt on his wife's part.
Ann Book I Chapter 5: The death of Augustus

Terrible to the State as a mother, terrible to the house of the Caesars as a stepmother.
Ann Book I Chapter 10: The reign of Augustus(cont.)

Livia feeling a stepmother's bitterness towards Agrippina
Ann Book I Chapter 33: Revolt in Germania. Germanicus

Tiberius however, making no change in his voluptuous life, excused himself by letter for his absence from his last duty to his mother on the ground of the pressure of business. He even abridged, out of moderation, as it seemed, the honours which the Senate had voted on a lavish scale to her memory, allowing only a very few, and adding that no religious worship was to be decreed, this having been her own wish
Ann Book V Chapter 1: Death of Livia

Nine months for common births the Fates decree;
But, for the great, reduce the term to three.

Stn Claudius, Chapter 1: His ancestry: Drusus.

He showed marked respect to Livia Augusta, to whose favor he owed great influence during her lifetime and by whose last will he almost became a rich man; for he had the largest bequest among her legatees, one of fifty million sesterces. But because the sum was designated in figures and not written out in words, Tiberius, who was her heir, reduced the bequest to five hundred thousand, and Galba never received even that amount.
Stn Galba, Chapter 5: Galba as husband and heir