Potiphar: Joseph's Master
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Genesis 37:36
Meanwhile, the Midianites sold Joseph in Egypt to Potiphar, an officer of Pharaoh and captain of the guard.
Genesis 39:1
Meanwhile, Joseph had been taken down to Egypt, where an Egyptian named Potiphar, an officer of Pharaoh and captain of the guard, bought him from the Ishmaelites who had taken him there.