unexpected misfortune moved Tiberius profoundly, for he dearly loved
his son, and it seemed for a moment to determine the triumph of
Agrippina's party. Now that his son had been taken from him, where, if
not among the sons of Germanicus and Agrippina, could Tiberius look for
a successor? And, as a further proof that Tiberius desired as far as
possible to avoid conflict in the bosom of his family, he did not
hesitate a moment, despite all the annoyances and difficulties which he
had suffered at the hands of Agrippina and her friends. He officially
recognized that in the sons of Germanicus were henceforth placed the
future hopes of his family and of the empire. Of the two elder, Nero
was now sixteen and Drusus was somewhat younger, though we do not know
his exact age. These he summoned to appear before the senate, and he
presented them to the assembly with a noble discourse the substance of
which Tacitus has preserved for us, exhorting the youths and the senate
to fulfil their respective duties for the greatness and the prosperity
of the republic.

[Illustration: Depositing the ashes of a member of the imperial family
in a Roman columbarium.]

After the death of Drusus, therefore, a reconciliation became possible
in the family of the Caesars. The latent rivalry between the families
of Tiberius and Germanicus was extinguished. Indeed, even in the midst
of the tears shed for the early death of Drusus, a gleam of concord
seems to have shone down upon the house desolated by many tragedies,
while Sejanus, whose power depended upon the strife of the factions,
was for a moment set aside and driven back into the shadows. But it
was not to continue long; for soon the flames of discord broke out more
violently than ever. Whom shall we blame, Sejanus or Agrippina?
Tacitus says that it was the fault of Sejanus, whom he accuses of