Matthew 23:22

and he that swears by heaven, swears by the throne of God, and by him that sits on it.

Matthew 5:34

But I tell you, Swear not at all; neither by heaven, for it is God's throne;

Acts 7:49

Heaven is my throne, and the earth my footstool; what house will you build me, says the Lord, or what is the place of my rest?

Revelation 4:2-3

And immediately I was in the Spirit; and behold, a throne was set in heaven, and one sat on the throne.

Treasury of Scripture Knowledge

Summary

And he that shall swear by heaven, sweareth by the throne of God, and by him that sitteth thereon.

Bible References

By the

Matthew 5:34
But I tell you, Swear not at all; neither by heaven, for it is God's throne;
Acts 7:49
Heaven is my throne, and the earth my footstool; what house will you build me, says the Lord, or what is the place of my rest?
Revelation 4:2
And immediately I was in the Spirit; and behold, a throne was set in heaven, and one sat on the throne.