From the Taking of Jerusalem by Antiochus Epiphanes to the Death of Herod the Great - Flavius Josephus

should be no longer tortured]. When he had agreed to this, he said that his
father, at the persuasion of Alexander, had an intention to kill him. Now
some said this was forged, in order to free his father from his torments; and
some said it was true.
6. And now Herod accused the captains and Tero in an assembly of the
people, and brought the people together in a body against them; and
accordingly there were they put to death, together with [Trypho] the barber;
they were killed by the pieces of wood and the stones that were thrown at
them. He also sent his sons to Sebaste, a city not far from Cesarea, and
ordered them to be there strangled; and as what he had ordered was executed
immediately, so he commanded that their dead bodies should be brought to
the fortress Alexandrium, to be buried with Alexander, their grandfather by
the mother's side. And this was the end of Alexander and Aristobulus.
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