If it were me, I would box up all of her stuff, mail it to her along with a nice, short letter telling her that you don't want anything more to do with her ever again, and then be done with it. It's time to let yourself get on with your life. You won't be able to do that until all this is over.

Me: BS/FWW: 48
BS/WH: 50
DS: 30, 27, 25
DD: 28
OC: 10
BH and I are raising my OC together.