16 These were Ishmael’s sons. And these are the names of the tribal leaders. They are listed according to their settlements and camps.
17 Ishmael lived 137 years. Then he breathed his last breath and died.
18 Ishmael’s descendants lived from Havilah to Shur. This is east of Egypt stretching toward Assyria. Ishmael’s descendants often attacked the descendants of his brothers.
19 This is the family history of Isaac. Abraham had a son named Isaac.
20 When Isaac was 40 years old, he married Rebekah. Rebekah was from Northwest Mesopotamia. She was Bethuel’s daughter and the sister of Laban the Aramean.
21 Isaac’s wife could not have children. So Isaac prayed to the Lord for her. The Lord heard Isaac’s prayer, and Rebekah became pregnant.
22 While she was pregnant, the babies struggled inside her. She asked, “Why is this happening to me?” Then she went to get an answer from the Lord.