“Jesus mother and grandmother...”
What?? The Trinity consists of three completely separate Divine Persons. Those Persons are: God the Father, God the Son, and God the Holy Spirit.
Although the Persons are separate, their natures are exactly the same; that is how they are one God, even though they are three Persons.
The Blessed Mother gave birth to the second Person of the Trinity, God the Son. Since Jesus, God the son is both Divine and Human (hypostatic union), then Mary HAS to be the Motherof God the Son. Because of this fact, she is the mother of God; she is clearly without a doubt the mother of God the Son, not all three (of course!). If not, then Jesus is not Divine.
The nature of the Trinity has been known since the first early Christians and has remained unchanged. St. Patrick in the mid 400’s A.D. gave an analogy of the shamrock to help us understand the Trinity correctly. It has three leaves but is the same nature from the same plant.
St Patrick was a little mixed up...As is your religion...There is one God, but three persons, but one person...
We don't need St. Patrick to tell us what he thinks the Trinity is...We have the same scriptures St. Patrick had available to him to research the Trinity...Whether Patrick used the scripture is anyone's guess...