Joseph's brethren came and bowed themselves before him Some have inferred from this that the names of all the strangers that came to buy corn in Egypt were brought to Joseph and registered; and such persons or families as were any way remarkable, were brought before him. Thus his brethren would of course be introduced to him: but, in general, he undoubtedly sold the corn by deputies. With their faces to the earth The common method of salutation in the eastern nations. Thus Joseph's first dream was already fulfilled; their sheaves bowed to his sheaf.
Related Commentaries of Genesis 42:6
Genesis 42:6
6 And Joseph was the governor over the land, and he it was that sold to all the people of the land: and Joseph's brethren came, and bowed down themselves before him with their faces to the earth.