I really want exhortation on my late grandma's property there is a relative of mine that acquired a letter of Authority falsely then she changed the house to her name

Great evening I really want exhortation on my late grandma's property there is a relative of mine that acquired a letter of Authority falsely then she changed the house to her name, so presently she needs to show me out of the house. I don't have the foggiest idea where to begin from here on the grounds that we did went to doj&cd and they brought her in her appearance they told her that she acquired the letter of power by extortion and acting Master tore the letter of power and encouraged her to shut down all the interaction that she have affected utilizing the letter of power. Yet she is harrassing me if it's not too much trouble, help.