King James Version
For the children being not yet born, neither having done any good or evil, that the purpose of God according to election might stand, not of works, but of him that calleth;)New International Version
Yet, before the twins were born or had done anything good or bad--in order that God's purpose in election might stand:Catholic Public Domain Version
when the children had not yet been born, and had not yet done anything good or bad (such that the purpose of God might be based on their choice)