'Mixed' in the Bible

Then they sat down to eat their meal. When they looked up, they saw a caravan of Ishmaelites coming from Gilead [east of the Jordan], with their camels bearing ladanum resin [for perfume] and balm and myrrh, going on their way to carry the cargo down to Egypt.

Come, let us [instead] sell him to these Ishmaelites [and Midianites] and not lay our hands on him, because he is our brother and our flesh.” So his brothers listened to him and agreed.