ummm, since the God of Israel exists in the New Testament LOOOOOOONNNNNNGGGG before Mary, Mary is not the "mother of God" ... Unless you deny the divinity of Jesus Christ you can not logically deny that Mary is indeed the Mother of God. Do you believe in the Trinity. Is Christ God or isn't He?
I've addressed that subject in the thread previously ... check the later posts as well as the one above your reply ...