Genesis 42:16

42:16 Send one of you, and let him get your brother, and you shall be bound, that your words may be tested, whether there is truth in you, or else by the life of Pharaoh surely you are spies."
-World English Bible

Other Translation

42:16 Send one of you, and let him fetch your brother, and ye shall be kept in prison, that your words may be proved, whether [there be any] truth in you: or else by the life of Pharaoh surely ye [are] spies.
-King James Version