Ishmaelites: Called Midianites
Source: Nav
Genesis 37:28, 36
So when the Midianite traders passed by, his brothers pulled Joseph out of the pit and sold him for twenty shekels of silver to the Ishmaelites, who took him to Egypt. / Meanwhile, the Midianites sold Joseph in Egypt to Potiphar, an officer of Pharaoh and captain of the guard.
Judges 8:24, 26
Then he added, “Let me make a request of you, that each of you give me an earring from his plunder.” (For the enemies had gold earrings because they were Ishmaelites.) / The weight of the gold earrings he had requested was 1,700 shekels, in addition to the crescent ornaments, the pendants, the purple garments of the kings of Midian, and the chains from the necks of their camels.