Guessing by the fact that his original wife looks like a housewife, his old family is probably suffering now that their breadwinner is gone. The daughter is probably going to have to provide for the family. Not MCs problem, though, and not mine either. They treated him terribly.
Sorry for my...
Evict them. Every one of 'em. It's not his problem that they don't have a place to go. He gives them a chance and let's them stay there, and they treat him like this? Kick 'em to the curb.