Genesis 41:12
There was with us there a young man, a Hebrew, servant to the captain of the guard, and we told him, and he interpreted to us our dreams. To each man according to his dream he interpreted.
Genesis 37:36
The Midianites sold him into Egypt to Potiphar, an officer of Pharaoh's, the captain of the guard.
Genesis 40:12-19
Joseph said to him, "This is its interpretation: the three branches are three days.
Genesis 39:1
Joseph was brought down to Egypt. Potiphar, an officer of Pharaoh's, the captain of the guard, an Egyptian, bought him from the hand of the Ishmaelites that had brought him down there.
Genesis 39:20
Joseph's master took him, and put him into the prison, the place where the king's prisoners were bound, and he was there in custody.