Galatians 4:26 YLT

²⁴  which things are allegorized, for these are the two covenants: one, indeed, from mount Sinai, to servitude bringing forth, which is Hagar;

²⁵  for this Hagar is mount Sinai in Arabia, and doth correspond to the Jerusalem that now 'is', and is in servitude with her children,

²⁶  and the Jerusalem above is the free-woman, which is mother of us all,

²⁷  for it hath been written, 'Rejoice, O barren, who art not bearing; break forth and cry, thou who art not travailing, because many 'are' the children of the desolate -- more than of her having the husband.'

²⁸  And we, brethren, as Isaac, are children of promise,