For Sinai is a mountain in Arabia, which is related to the Jerusalem of the present time, and it serves with her sons
Other versions
King James Version
For this Agar is mount Sinai in Arabia, and answereth to Jerusalem which now is, and is in bondage with her children. English Standard Version
Now Hagar is Mount Sinai in Arabia; she corresponds to the present Jerusalem, for she is in slavery with her children.New International Version
Now Hagar stands for Mount Sinai in Arabia and corresponds to the present city of Jerusalem, because she is in slavery with her children.