These things serve as illustrations, for the women represent two covenants. One covenant is from Mount Sinai and bears children into slavery: This is Hagar.
Textus Receptus (TR) - Galatians 4:24 >Ἅτινά ἐστιν ἀλληγορούμενα· αὗται γάρ εἰσιν αἱ δύο διαθῆκαι· μία μὲν ἀπὸ ὄρους Σινᾶ, εἰς δουλείαν γεννῶσα, ἥτις ἐστὶν Ἅγαρ.