If that were true, you would cite the verse.
It is not Scripture but your man-made theology that forbids it.
which one?
joseph father of Jesus Jn 1:45 Philip findeth Nathanael, and saith unto him, We have found him, of whom Moses in the law, and the prophets, did write, Jesus of Nazareth, the son of Joseph.
not the son of Mary matt 1:21 And she shall bring forth a son, and thou shalt call his name Jesus: for he shall save his people from their sins.
a son singular Jesus is her only child not janes