God is the Father, the Son, and the Holy Spirit.
Jesus is the Son.
Mary is the Mother of Jesus.
Therefore, Mary is the mother of the Son.
But not the other Persons of the Trinity.
Jesus is not 33% God. He is 100% God. To believe that Jesus is only one-third of God is to be a polytheist.
God is the Father, the Son, and the Holy Spirit.
Jesus is the Son.
Therefore, Jesus is God.
Mary is the Mother of Jesus.
Jesus is God.
Therefore, Mary is the Mother of God.