Luke 1:33

And He will rule over the [spiritual] descendants of Jacob forever and there will be no end to His kingdom."

John 12:34

Then the crowd replied to Him, "We have heard from [the writings of] the law of Moses that the Christ will live forever; so how can you say, 'The son of man must be lifted up [i.e., to die]?' Who is this son of man?"

Treasury of Scripture Knowledge

Summary

His seed shall endure for ever, and his throne as the sun before me.

And

Bible References

And

Luke 1:33
And He will rule over the [spiritual] descendants of Jacob forever and there will be no end to His kingdom."