Genesis 37:28
Then there passed by Midianites merchants; and they drew and lifted up Joseph out of the pit, and sold Joseph to the Ishmeelites for twenty pieces of silver: and they brought Joseph into Egypt.
Torrey's Topical Textbook—AKJV

Genesis 39:1
And Joseph was brought down to Egypt; and Potiphar, an officer of Pharaoh, captain of the guard, an Egyptian, bought him of the hands of the Ishmeelites, which had brought him down thither.
Torrey's Topical Textbook—AKJV