Send one of you, and let him fetch your brother, and ye shall be bound, that your words may be proved, whether there be truth in you: or else by the life of Pharaoh surely ye are spies.
And Joseph saw his brethren, and he knew them, but made himself strange unto them, and spake roughly with them; and he said unto them, Whence come ye? And they said, From the land of Canaan to buy food.