Romans 9:10-11

10 Nor is that all; something similar happened to Rebecca when she had conceived children by one husband, our ancestor Isaac.
11 Even before they had been born or had done anything good or bad (so that God's purpose of election might continue,
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.