Legatio Ad Gaium
Philo Judaeus
The works of Philo Judaeus, the contemporary of Josephus, volume 4. Yonge, C. D., translator. London: Henry G. Bohn, 1855.
for he put to death his cousin who had been left as the partner of his kingdom, and who was in fact a more natural successor to it than he himself; for he himself was only Tiberius’s grandson by adoption, but the other was so by blood; arguing as a pretext that he had detected him in plotting against him, though his very age was a sufficient refutation of any such accusation; for the unhappy victim was only just emerging from boyhood, and beginning to rank among the youths.