Tell her that you would like to talk to her son. If you do. Tell him what's going on. Be nice about it. And tell him that you what to be a good neighbor. She's an old studa-bubda that thinks that everyone should kiss her feet. I got a few of those in my hood too. They're a pain to deal with. Sat on my front porch one day, cleaning my AR15. Made sure that the one seen me there doing it. Then had a few of my motorcycle buddies show up afterwards. Haven't heard a word from her since.
Put the fear of god in to her, in a round about way.
I'm still working on the others ones.