Calvin was also instrumental in having Michael Servetus burned at the stake. Should we also believe that was a good thing? All three were also well indoctrinated by the Catholic Church so its not unreasonable to believe that they did retain some of the errors of the Catholic beliefs. Follow men and you will always end in error.
At the foot of the cross...Jesus said. “woman, there is your son...son, there is your mother...(to John). And from then on he took her into his care. Just wondering where all these sons were when they were supposed to be taking care of their mother after Joseph had passed away...
And the point is it was a universal Christian belief for centuries...till relatively modern times when the idea of perpetual virginity had been erased from our culture to the point that some people find the concept unfathomeable