My stepmother and her son invaded my property. Can I sue her?

Whose name is written on the real estate license is whose property, and others have no right to dispose of it. You can sue in court and ask the other party to move out of your house.

In addition, according to the law, only when your stepmother has fulfilled her maintenance obligations to you, you need to fulfill her maintenance obligations, otherwise, you will be even.

As for the problem of shops, it also depends on the proof of property rights.