'O God' in the Bible

And Abraham said to God, Oh that Ishmael might live before thee!

And Abraham prayed to God, and God healed Abimelech, and his wife, and his maid-servants. And they bore sons.

And Jacob said, O God of my father Abraham, and God of my father Isaac, O LORD, who said to me, Return to thy country, and to thy kindred, and I will do thee good,

And God said to Jacob, Arise, go up to Bethel, and dwell there, and make an altar there to God, who appeared to thee when thou fled from the face of Esau thy brother.

And let us arise, and go up to Bethel, and I will make there an altar to God, who answered me in the day of my distress, and was with me on the way which I went.

And they said to him, We have dreamed a dream, and there is no man who can interpret it. And Joseph said to them, Do not interpretations belong to God? Tell it to me, I pray you.