The Roman Catholic Church teaches that Joachim and Anne are Mary's parents. Is this true? If not, who are they according to the Bible?

What is transubstantiation and is this Roman Catholic doctrine Biblical?

Many people believe that the Immaculate Conception means the conception of Jesus in the womb of Mary. But this is not what it teaches.

Did Mary remain a virgin after she gave birth to Jesus as the Roman Catholic Church teaches? Is this dogma taught in the Bible?