1 Joseph had been taken to Egypt. Potiphar, one of Pharaoh’s Egyptian officials and captain of the guard, bought him from the Ishmaelites who had taken him there.
Genesis 39:1 Cross References - NSB
Genesis 37:25
25 As they sat down to eat, they saw a caravan of Ishmaelites coming from Gilead. Their camels were carrying the materials for cosmetics, medicine, and embalming. They were on their way to take them to Egypt.
Genesis 37:28
28 Some of the Midianite traders approached. The brothers pulled Joseph out of the well and sold him for twenty pieces of silver to the Ishmaelites. They took him to Egypt.
Genesis 37:36
36 Meanwhile, in Egypt the Midianites sold Joseph to Potiphar, one of the king’s officers, who was the captain of the palace guard.
Genesis 45:4
4 »Please come closer to me,« Joseph said to his brothers. They came closer. He said: »I am Joseph, the brother you sold into slavery in Egypt!
Psalms 105:17
17 He sent a man before them, Joseph, who was sold for a servant.
Acts 7:9
9 »The family heads were jealous of Joseph and sold him as a slave into Egypt. However, God was with him.