Genesis 42:7 in the King James Version
And Joseph saw his brethren, and he knew them, but made himself strange unto them, and spake roughly unto them; and he said unto them, Whence come ye? And they said, From the land of Canaan to buy food.
Context
6 Joseph was the governor over the land. It was he who sold to all the people of the land. Joseph’s brothers came, and bowed themselves down to him with their faces to the earth.
7 Joseph saw his brothers, and he recognized them, but acted like a stranger to them, and spoke roughly with them. He said to them, “Where did you come from?” They said, “From the land of Canaan, to buy food.”
8 Joseph recognized his brothers, but they didn’t recognize him.