In places like A city, especially for the gentry, if a woman married a man and couldn't be recognized in the family tree, although she was legally registered as the lawful wife, in reality, everyone knew that she was only the concubine. That fact had long been a consensus.
How could the man in charge of the family have no wife on the family book? Unless he only loved her in his life, or else, he would definitely marry someone who would be recognized in the family tree.
If the relationship with the woman failed in the end, or if the woman could not give birth to a son in the future, for the sake of his family's interests or about the continuity of his descendants, the man could marry another woman, get registered in another country and bring her home. As long as she was acknowledged by th
