Perhaps the two most commonly employed texts by those who deny Mary’s perpetual virginity are:
Matthew 13:55-56: Is not this the carpenter’s son? Is not his mother called Mary? And are not his brethren James and Joseph and Simon and Judas? And are not all of his sisters with us?
Matthew 1:24-25: And Joseph rising up from sleep, did as the angel of the Lord had commanded him, and took unto him his wife. And he knew her not till she...