kai agaphsw thn ouk hgaphmenhn, 
kai erw tw ou law mou, laoV mou ei su

kalesw ton ou laon mou laon mou
kai thn ouk hgaphmenhn hgaphmenhn

and will love her that was not loved, and will say to that which was not my people, Thou art my people

I will call that my people, which was not my people; And her beloved, that was not beloved

and I will have mercy upon her that had not obtained mercy; and I will say to them that were not my people, Thou art my people

The MT includes the idea of “mercy” instead of “love.”  The RSV translates:  “And I will have pity on Not pitied ...”