Genesis 42:29-34

29When they came to their father Jacob in the land of Canaan, they told him all that had happened to them. They said, 30“The man who is lord over the land spoke harshly to us and treated us as though we were spying on the land. 31But we said to him, ‘We are honest men; we are not spies.

32We were twelve brothers, sons of one father. One is no more, and the youngest is now with our father in Canaan.’ 33“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.

34But bring your youngest brother to me so I will know that you are not spies but honest men. Then I will give your brother back to you, and you can trade Or move about freely in the land.’ ”