Luther, in his typical and sometimes hyperbolic way:Nor does anything in the NT prove that Mary did not remain ever virgin. However, history provides more detail.
Protoevangelium of James
An important historical document which supports the teaching of Mary’s perpetual virginity is the Protoevangelium of James, which was written probably less than sixty years after the conclusion of Mary’s earthly life (around A.D. 120), when memories of her life were still vivid in the minds of many.
According to the world-renowned patristics scholar, Johannes Quasten: “The principal aim of the whole writing *Protoevangelium of James] *is to prove the perpetual and inviolate virginity of Mary before, in, and after the birth of Christ” (Patrology, 1:120–1).
To begin with, the Protoevangelium records that when Mary’s birth was prophesied, her mother, St. Anne, vowed that she would devote the child to the service of the Lord, as Samuel had been by his mother (1 Sam. 1:11). Mary would thus serve the Lord at the Temple, as women had for centuries (1 Sam. 2:22), and as Anna the prophetess did at the time of Jesus’ birth (Luke 2:36–37). A life of continual, devoted service to the Lord at the Temple meant that Mary would not be able to live the ordinary life of a child-rearing mother. Rather, she was vowed to a life of perpetual virginity.
However, due to considerations of ceremonial cleanliness, it was eventually necessary for Mary, a consecrated “virgin of the Lord,” to have a guardian or protector who would respect her vow of virginity. Thus, according to the Protoevangelium, Joseph, an elderly widower who already had children, was chosen to be her spouse. (This would also explain why Joseph was apparently dead by the time of Jesus’ adult ministry, since he does not appear during it in the gospels, and since Mary is entrusted to John, rather than to her husband Joseph, at the crucifixion).
According to the Protoevangelium, Joseph was required to regard Mary’s vow of virginity with the utmost respect. The gravity of his responsibility as the guardian of a virgin was indicated by the fact that, when she was discovered to be with child, he had to answer to the Temple authorities, who thought him guilty of defiling a virgin of the Lord. Mary was also accused of having forsaken the Lord by breaking her vow. Keeping this in mind, it is an incredible insult to the Blessed Virgin to say that she broke her vow by bearing children other than her Lord and God, who was conceived through the power of the Holy Spirit.
Early Protestants on the Perpetual Virginity of Mary
Martin Luther (1483-1546)
“Christ, our Savior, was the real and natural fruit of Mary’s virginal womb…This was without the cooperation of a man, and she remained a virgin after that.”
“Christ…was the only Son of Mary, and the Virgin Mary bore no children besides Him…I am inclined to agree with those who declare that ‘brothers’ really mean ‘cousins’ here, for Holy Writ and the Jews always call cousins brothers.”
“A new lie about me is being circulated. I am supposed to have preached and written that Mary, the mother of God, was not a virgin either before or after the birth of Christ…Scripture does not say or indicate that she later lost her virginity.”
“Scripture does not say or indicate that she later lost her virginity…When Matthew says that Joseph did not know Mary carnally until she had brought forth her son, it does not follow that he knew her subsequently; on the contrary, it means that he never did know her…This babble…is without justification…he has neither noticed nor paid any attention to either Scripture or the common idiom.”
Its that last line that seems important as I look at the issue from a Lutheran perspective. Not simply that Luther believed it, but most throughout the history of the Church.Helvidius, that fool, was also willing to credit Mary with more sons after Christ’s birth because of the words of the Evangelist: ‘And he knew her not till she had brought forth her first-born Son.’ This had to be understood, so he thought, as though she had more sons after the first-born Son. How stupid he was! He received a fitting answer from Jerome.
Jon