'O God' in the Bible

And they sing a new song, saying, Worthy art thou to take the book and to open the seals thereof; for thou wast slain and hast redeemed us to God by thy blood, out of every tribe, and tongue, and people, and nation,

And she brought forth a man child, who shall rule all the nations with a rod of iron; and her child was caught up to God and to his throne.

These are they who had not been defiled with women; for they are virgins: these are they who follow the Lamb whithersoever he goeth. These were bought from among men: first-fruits to God and the Lamb.