Says who, the Catholic Church, the first apostate church?
God refers all the Jews as gods, does this make all of them part of your godhead?
The plain reading of Hebrews 1:9 tells us that the son has a God. The plain reading of Hebrews 4:15 tells us the son was tempted in all ways as we are. Can God be tempted in all things as we are?
Now, does God have a God?