'God of Israel' in the Bible

For you, O LORD of hosts, God of Israel, have revealed to your servant, saying, I will build you a house: therefore has your servant found in his heart to pray this prayer unto you.

And Nathan said to David, You are the man. Thus says the LORD God of Israel, I anointed you king over Israel, and I delivered you out of the hand of Saul;

The God of Israel said, the Rock of Israel spoke to me, He that rules over men must be just, ruling in the fear of God.