[Salvation]

**She had other children with Joseph, so she could not be a perpetual “virgin” for one.**

These Protestant Reformers do not agree with you at all -- they believed in the perpetual virginity of the Blessed Virgin Mary.

Also -- one Catholic viewpoint.

Catholic Biblical Apologetics: Mary: Virgin and Ever Virgin
Luther, Calvin, and Other Early Protestants on the Perpetual Virginity of Mary
Luther, Calvin, and Other Early Protestants on the Perpetual Virginity of Mary
The Protestant Reformers on the Virgin Mary
Zwingli’s’ Mariology: On Mary “Full of Grace”

[dartuser]

These Protestant Reformers do not agree with you at all -- they believed in the perpetual virginity of the Blessed Virgin Mary.

Is that suppose to be some kind of defacto "proof" that the doctrine is correct? Luther was an Augustinian monk ... its unreasonable to expect he dropped every piece of doctrine he learned.