What do I do?

A year ago I told my fiancés sister that I wanted nothing to do with her. She lied and hid something that had to do with my child along with myself and that completely destroyed my trust and respect for her. There are other reasons why I chose to distance myself from her.

Now after complete silence for a year she reaches out to my fiancé. She wants to reconnect with him again, that’s fine. But then recently she started asking how I was doing along with my son.

I respect that she gets access to my son and has a right to ask about him. However I’m unsure what she’s not understanding about me not wanting ANYTHING to do with her…

I asked my fiancés to kindly just keep my name out of their conversations but at the end of they day they have the right to talk about whatever they want. I’m tired of people completely disregarding my mental health and boundaries. She loves to play mind games. I just want to be left tf alone. Take my child fine, take my finace fine. Just leave me alone!!!!