Catholic Catechism claims that Jesus is one person with two natures. A divine nature and a human nature. Tell me, did Jesus get His divine nature from Mary?
Jesus got neither His human soul nor His divine nature, nor His human nature from Mary, all were from God using Mary as the vessel. Yes Mary was the Mother of God because you cannot separate Christs natures from one another...He was fully man and Fully God, not half and half...