Genesis 42:6-8

Young's Literal Translation

⁶ and Joseph is the ruler over the land, he who is selling to all the people of the land, and Joseph's brethren come and bow themselves to him -- face to the earth.

⁷ And Joseph seeth his brethren, and discerneth them, and maketh himself strange unto them, and speaketh with them sharp things, and saith unto them, `From whence have ye come?' and they say, `From the land of Canaan -- to buy food.'

⁸ And Joseph discerneth his brethren, but they have not discerned him,