My question involves a child custody case from the State of: Wisconsin and Minnesota
This is a bit of a long story. My mother has 6 children. 5 from the same man and the last one was from another man. Our father left our mother because she had a lot of mental disorders that she would not get help for nor would she even find out what they were. It turns out she is a paranoid schizophrenic with bipolar and clinical depression. Her boyfriend was also abusive to all of us verbally and to our mother physically. This man is the father of the youngest child. Me and the other older children left our moms on our own accord when we were early teens to find new homes on our own. I began living with a woman I baby sat for for more than three years before going to my fathers at age 17 (a few months from my 18th birthday) The other is my brother (who I shall call B1) who disappeared off of all our radars living with one friends family for a short period to another until my grandfather took him him around age 12. (I do believe he was on his own for about a year before that) And then a Sister who I will call (S2) Who bounced around from grandmothers home to grandparents to fathers and back to my mothers around the same time the other two of us left. I am the oldest. We left because we had no home, no food and our mother didn't even care that she was dragging us through hell with all of her stuff. She often would do dishes (where ever we were staying at the time) staring at the wall laughing at inaudible jokes she spoke to herself or gazed into space going on about how she wished she could kill us all. How she hated us and wished horrible things upon us.
After us older kids left the younger three were left to our mother (which was the hardest thing I ever had to do). Our mother went from homeless shelter to homeless shelter. On more than one occasion the kids were found by people at ages 2 and 3 almost a mile from home with no one watching them. Dirty, obviously nutrition deprived and my mother nor anyone else even knew they were gone. I have witnesses of these things happening. She often lied to them about Santa... saying that if they were good santa would come and give them presents. She did this the whole winter... and santa never came. She only did this because she didn't want to deal with them. She would also tell the kids that fictional characters on television were real. She was convinced she was dating Angel (from the tv show angel) and told the children that if they didn't go watch the show he would cry. And even asked them "cant you hear? Angel is crying inthe other room because you're not watching in there" They were 2 and 3 at this point living with an elderly man who paid for everything in his two bedroom double wide. She used him because he was generous. After about a year (maybe a little less) my mom left there and went across the river (which is another state) and told them she was being beaten by her boyfriend (who she was not with anymore) so she could get into a battered womans shelter with the kids. (there may have been another home in between there she's moved so much it's hard to keep track) At this point I fell out of touch with her. Mainly because it was so hard to find her. From what I understand tho, social services had been called and she was told she had to take the kids to live with our father (the two anyways) or they would forcibly do it. (like I said the last son was not from our father. From what I understand they took him away too but gave him back some time later) Now my younger siblings lived happily with our father and for the last 10 months I moved in with him as well. The kids finally put on some weight. And got proper medical attention. (of the two there is a boy and a girl) My youngest sister started having one crossed eye at the age of 1 that needed to be addressed (turns out her brain randomly rewired to use each eye individually which is why one eye was always turned in at all times but it changed eyes) She needed glasses and surgery to correct the eye problem which my dad was finally able to provide for her. She could finally see the food on her plate. For the first time they were taken care of. unfortunately our father died suddenly two years after they were taken there. It was sudden and completely unexpected. Our mother told us she wanted the kids back but never made any attempt to actually do it. With everything the kids had been through and being abandoned by our mother our grandmother (fathers mother) took the kids and myself in. Again, the kids were in a good loving environment where they were even maybe a little spoiled (she felt like she had to make up for how hard their life had been) but what grandmother doesn't spoil a little bit. I moved from her place on my own (because I was 19 by then). They lived with our grandmother for another 3 years after that when she suddenly and completely unexpectedly passed away from a heart attack. My mother was contacted and I told her I would like to take the kids. She was furious about this idea. and I quote "Those are MY Children and that is MY MONEY" this of course was in reference to the social security the kids receive from our father passing away. She then told me the reason she needed them back was because of the money so she could go to college, learn to drive and put S2 (sister two's) kids into day care. (at this time S2 had two boys of her own and was living with my mother in her two bedroom government provided housing on food stamps with her, and is currently living with her again... she is also pregnant again with a girl and her theiving boyfriend is also living with her in this two bedroom apartment). After some talking she agreed she cant take care of the kids and said she would give me custody like she had given my grandmother. (Which she still hasn't done) Being that the kids were older we gave them a choice to live with me or our mom and they told us they wanted to live with me. They didn't even remember mom that well. They didn't know her. Our mom changed her mind and wanted the kids back again so we gave her all the time she needed to try and come take them. She never did anything so the kids came to live with me. Well S2 messaged me the other day and is stating our mother is calling social services on me and the police to have the kids taken away and have me arrested for fraud for receiving the social security I use to take care of the kids. I talked to her and she told me that she was going to call social services because she was convinced my brother of the two had been on lesbian sex sites and that I was letting him. The reason she thought this was because he had posted some photos to his facebook from his webcam titled (cyberlink Youcam) which is the name of the webcam installed on his laptop i got him for his birthday. And even though my mother tells me that (as we agreed after I got legal custody of the kids we'd move closer to her so she could at least get to know them) she was sticking to her end of the agreement and that the only reason she was going to call social services was because I wasn't bringing the kids closer to her and because she was concerned for the younger boy of my two sibling(which she hasn't held up her end) S2 is telling me my mother is still saying she's doing those things she warned me about.
Now after all of this... What I need help with is learning what my rights are in getting custody of these kids before she may or may not try to pull anything. I dont want the kids to get caught up in this if they don't have to. If we can keep most of it on paper and in the courts I will. I'm just trying to provide some sort of normalcy and stability for them after all they've been through. Both have emotional problems and physical problems (such as koral needing glasses again) that I can not provide for if I do not get custody to get her insurance. even tho she agreed to give me custody she has had 6 months to get it out to me on paper notarized and she hasn't. I need help in finding my rights and resources to keep the kind of life i had with my mother from happening to these already traumatized preteens.

