What are my rights if she wants half of the property or else she will complain on me and my family about our case?

I don't know what you mean by "complain on me and my family about our case". She can gripe about whatever she wants , as we have freedom of speech in this country. If you are asking about her rights if she files a divorce action against you (not your family), you need to rewrite the question with more information in it, or better yet, talk to a family law attorney in your community about the situation.