Genesis 42:29-33

And they came unto Jacob their father unto the land of Canaan, and told him all that befell unto them; saying,

The man, who is the lord of the land, spake roughly to us, and took us for spies of the country.

And we said unto him, We are true men; we are no spies:

We be twelve brethren, sons of our father; one is not, and the youngest is this day with our father in the land of Canaan.

And the man, the lord of the country, said unto us, Hereby shall I know that ye are true men; leave one of your brethren here with me, and take food for the famine of your households, and be gone: