Galatians 4:23

An Understandable Version (2005 edition)

Now the son [Ishmael], born to the slave woman, was born simply of their natural relationship; but the son [Isaac], born to the free woman, was born in fulfillment of a [divine] promise.

Cross References

Romans 10:8

But what does the Scripture say [about being made right with God]? [Deut. 30:14 says], “The message of God is near you [i.e., it is not difficult to comprehend]. It is on your lips and in your heart.” This is the message of faith [in Christ] which we [apostles] preach.

Galatians 4:22

For it is written in the law about Abraham’s two sons [Gen. 16]; one [was] by his slave woman [Hagar] and the other by the free woman, [his wife, Sarah].

Hebrews 11:11

By [having] faith, Sarah herself received the ability to have children, even though she was [sterile, being] past the age of child-bearing, since she considered God faithful to His promise. [Note: Some translations consider “Abraham” to be the subject of this controversial verse. See Lightfoot, pp. 222-225].