Hi Parker,
I find posting difficult at best-- but when it comes to little children... well, I tend to sometimes put my apprehensions aside.
Anyway-- I believe that you see your son as a nice loving young man---- however--- why is it more important for him not to have anyone mad at him than protecting his own daughter? I hope you don't take offense to this-- I'm not meaning it in that way at all.
Just an idea but.... helping his daughter to have a happy life will pay off a lot more for him than trying to appease his wife.
I'm so sorry you are going through all this--- I think it would be good to have a talk with your son and have him try to get custody-- do you think he's up to that?
I feel for you and hope things turn out best for you and that dear little one.
mandy