Philo Judaeus De Josepho 189

[189] But as his father was much grieved and said that he did not know what to do, because while he had but two sons of one mother, one of them was now dead, and the other was left desolate and almost alone, so that he dreaded the journey, and though alive would die from fear before he could accomplish it, from a recollection of those fearful events which his elder brother had encountered; while he was speaking thus, the brethren put forward as their spokesman him who was the boldest among them, and by his nature inclined to take the lead, and who was eloquent in speech, and he said what seemed good to them all;