'Oh' in the Bible

Oh that there were such a heart in them, that they would fear me, and keep all my commandments continually, that it might be well with them and with their sons for ever!

So I prayed to the LORD and said, "Oh LORD my God, don't destroy your people and your inheritance whom you redeemed by your power. You brought them out from Egypt in a powerful way.

Oh that they had been wise! they would have understood this, They would have considered their latter end!

And of Naphtali, he said, "Oh, Naphtali, sated of favor, and full of the blessing of Yahweh; take possession of [the] lake, and [the land to the] south."