"Then the man who is lord over the land said to us, 'This is how I will know whether you are honest men: Leave one of your brothers here with me, and take food for your starving households and go."
NIV
And the man, the lord of the country, said to us, By this test I will know whether or not you are honest men: leave one of your brothers here with me and take grain for your famishing households and be gone.
AMP
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:
KJV