POTIPHAR

 
(An officer of Pharaoh. The LXX has "eunuch" even though he had a wife)
Joseph's master
And the Midianites sold him into Egypt unto Potiphar, an officer of Pharaoh's, and captain of the guard. (Genesis 37:3636And the Midianites sold him into Egypt unto Potiphar, an officer of Pharaoh's, and captain of the guard. (Genesis 37:36))
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. (Genesis 39:11And 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. (Genesis 39:1))