"Mary had children aside from Christ. Get used to it."
I know we've said this before, but, well, the bishops who put the canon together didn't believe that, Blogger. You wouldn't either except that you think Panagia's perpetual virginity was something your Roman bogeyman made up (which, by the way, it wasn't). Even Luther and Calvin didn't go that far.
Luther and Calvin were products of the Catholic system. Before they were saved, they have lots of errant beliefs. After they were saved, like newborn babies, they had the products of what they just came through still clinging to themselves. They were not perfect men.
As to the bishops who put the canon together, I believe you have overgeneralized there. You can't say what the bishops all believed about Mary because they didn't write about it. Regardless if they did or didn't believe that she had other childre - it's irrelevant. Scripture says Jesus had brothers and sisters and that Joseph and Mary had a regular husband/wife relationship to it. The only way you see differently is if you have to give Scripture some other meaning that what is ordinary.