Genesis 42:7-8

7 Joseph saw his brothers and recognized them, but he acted as a stranger to them and spoke roughly to them. Then he said to them, "Where do you come from?" And they said, "From the land of Canaan to buy food."
8 So Joseph recognized his brothers, but they did not recognize him.
Scripture taken from the New King James Version. Copyright © 1982 by Thomas Nelson, Inc. Used by permission. All rights reserved.