I understand how hard it’s for you. It’s stressful and you likely feel like a villain. What if you suggest you’ll help her to find a place. Find couple of options and if she refuses, then you’ll know you have to evict. Or maybe she’d be interested. She does have legal representation so she should get some good advice too. You aren’t obligated to house her or anyone else and as long as you help her with ideas and options, give her time to look and pack, and follow procedures, you are not in the wrong