Galatians 4:22

4:22 For it is written that Abraham had two sons, one by the slave woman and the other by the free woman.

Galatians 4:27

4:27 For it is written:

Rejoice, O barren woman who does not bear children;

break forth and shout, you who have no birth pains,

because the children of the desolate woman are more numerous

than those of the woman who has a husband.”