Actually, it makes some sense.
Jesus=God
The Father=God
There is one God
Jesus and the Father are God
One God
Mary is the Mother of God
Hence, Mary is the mother of the Father
or Mary is NOT the Mother of God
-A8
Your and xzins's idea of Trinity is not mainstream Christian (Catholic, Orthodox or Protestant).
If you are non-trinitarian then we are wasting the bandwidth. If you are unfamiliar with the concept of the Holy Trinity, you may wish to consult St. John of Damascus on this issue (Book I).