I know what you are going through to some degree, I am also a ubm. In my house when my jw first joined the cult he too wanted to bring the kids to a kh. That truly would have been over my dead body. I have not been successful in getting my jw to see the light but I sure as hell have been successful keeping my kids out of kh and did not allow him to indoctrinate my kids. I said that if he wanted to bring them to a kh then I would be exposing them to ALL the religions of the world every other weekend including Catholic, Lutheran, Buddist, Unitarian, etc..etc..etc... That worked, the mere thought of them going into a Catholic church was enough for him. You know how they hate Catholics more than any other group.
Then, while he was at his numerous meetings (when they still had the other meeting night during the week) I would be on here and the kids would ask what was this place and what was going on, or we would discuss his goofy behavior or comments and why he thought the way he did and I am glad to say that they learned quite a bit about cults and jw-ism. I did not sit them down and have a discussion it all came about quite naturally in normal conversation (what ever that is in a house with a jw in it). My kids were quite interested in the young people that were here at the time (Richie for one) and the life they had as jw teens or young adults. (jw kids can't do sports?!! no band??! no this, no that???? what?? why?? they found it all quite sad and then when he wouldn't even say happy birthday to them well.... you can imagine after all their life of him loving b-days and holidays, I could go on)
Protect your kids at all costs. Teach them critical thinking skills. Teach them to question even if they question your own thoughts and beliefs. Teach them to research and research some more. Be willing to sacrifice your own life or well being to protect these innocent children from spiritual abuse, physical abuse, mental and emotional abuse. At times you may feel like staying in your current situation is the sacrifice and it may be.
Who knows? maybe she will wake up one day or things may gradually get better, they can. It is possible to find a way to keep it together and even come to enjoy each other again.
come and vent often, it helps.
wishing you peace,
carla