God. Supply "Jehovah" from the preceding verses.
Lo-ruhamah. not compassionated. Rendered "not beloved" in Romans 9:25, and "not having obtained mercy" in 1 Peter 2:10. These latter are the Holy Spirit's Divine interpretation of His own prophecy.
take them away. Supply the Ellipsis, "take away [the kingdom which belongs] to them".
them. Hebrew. lahe. = to them.