Ohhhh, Brooke. (((((huge hug)))))
Where to begin?
Then she said I was a Horrible Mother. My heart sank.
Are you sure your sister isn't also my sister?
My elderette sister declared me an "abusive parent" for denying her access to my child (read, denying her the ability to not talk to me, to come pick my child up and take her to her house and to meetings for further brainwashing...if that's abuse...) same sister who asked if I was "raising my daughter to be a fornicator like" I am because I left a man who abused me and then found one who treats me like gold.
I don't know how old your children are now...I know when I started this journey my daughter was a baby and too young to understand what was going on. When she was shunned by my sister, she grieved it like a death but she knows now, as she gets older, that I have been protecting her from someone who is mentally unstable.
She is better off without my sister in her life. From the sound of it, your children would be better off without yours unless she changes, deeply and truly, right quick.
You're not at all alone in this. Don't let her shake you, though I know it took me a long long time to see my own sister's comments for what they were. I'm glad at the time I reacted the appropriate way, with anger and told her she had no business judging me.
Protect yourself, and protect your children from anyone no matter bloodline or not, who would degrade you that way. You deserve so much better and so do they.
(of the been there, lived that, class)