[annalex]

in Whose Birth His Mother's virginity remained inviolate

Thank you. So it is at least as old as St. Augustine. Here is your answer, Harley.

[blue-duncan]

"in Whose Birth His Mother's virginity remained inviolate"

That says nothing about perpetual virginity. All Augustine is saying is that the Holy Spirit came over Mary and at the time of Jesus' birth she was a virgin.