I'm also separated from my family - and have three older brothers, two of whom are carbon-copies of our father, the third of which seems to have a few personalities and is just generally crazy. (He's the only one I talk to, and extremely rarely.) We have a sister who also has the multiple personalities/cruelty down. A big age difference between me and them, about 12 years. They all have children, and leave them with my parents for weeks at a time, which is a terrifying thought. You see why we'd never get along.
Sorry for all the details, I just thought it might be helpful that you and I can relate to each other's situations. I'm very sorry your family treats you this way. What they said about gay people makes me angry! :alien: I'm bi and very LGBT-proud. :)
Please send me a note if you need to talk. I hope you'll be feeling better and well rested soon.