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

Who, though devoid of worthy qualities, and having only the brute courage of physical strength,
Ann Book I Chapter 3: Augustus' succession

The first crime of the new reign was the murder of Postumus Agrippa.
Ann Book I Chapter 6: Murder of Agrippa Posthumus (14 AD)