Esau already had two wives, but he went to Abraham’s son Ishmael and married another woman, Mahalath, the daughter of Ishmael. Mahalath was Nebaioth’s sister.
“You mentioned Ishmael, and I heard you. I will bless him, and he will have many children. He will be the father of twelve great leaders. His family will become a great nation.
Then the angel of the Lord said, “Hagar, you are now pregnant, and you will have a son. You will name him Ishmael, because the Lord has heard that you were treated badly.