Genesi 42:4

But Benjamin, Joseph's brother, Jacob sent not with his brethren; for he said, Lest peradventure mischief befall him.

Ver. 4. But Benjamin Jacob sent not.] Because best beloved; as last born, and likeliest to live longest; and the least, and least able to shift for himself; and all that was left of his dearest Rachel; his only darling that had been always at hand, and in the father's eye.