Genesis 42:33 KJV
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:
Genesis 42:33, King James Version
In context
32 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.
33 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:
34 And bring your youngest brother unto me: then shall I know that ye are no spies, but that ye are true men: so will I deliver you your brother, and ye shall traffick in the land.