And Joseph's ten brethren went down to buy corn in Egypt.

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

And the sons of Israel came to buy corn among those that came: for the famine was in the land of Canaan.

And Reuben spake unto his father, saying, Slay my two sons, if I bring him not to thee: deliver him into my hand, and I will bring him to thee again.

And he said, My son shall not go down with you; for his brother is dead, and he is left alone: if mischief befall him by the way in the which ye go, then shall ye bring down my gray hairs with sorrow to the grave.

Genesis 42:3-5

Genesis 42:37-38

King James Bible