[konaice]

I think you are correct. Affects Roman Catholic interpretations but not Protestant.

AFAIK, Roman Catholic interpretations have never insisted that Mary was perpetually virgin. Never the less, the other offspring of Mary would be half-siblings at best in the eyes of the Catholic church.

[conservonator]

AFAIK, Roman Catholic interpretations have never insisted that Mary was perpetually virgin. Never the less, the other offspring of Mary would be half-siblings at best in the eyes of the Catholic church.

Both the Roman Catholic and Orthodox Churches hold the belief in the perpetual virginity of the Blessed Mother.