Before you invest anymore in this relationship I would suggest you end things. This is a very difficult situation to be in right at the start of a relationship- when things should be amazing and easy. Why start with all this difficulty from the get-go? And you really don't have to deal with any of this- you're not married to her/you don't have children together. There are so many women out there - move on to the next one.
Unless you're kind of a masochist...then, by all means, move forward. I guess giving her space would be good- than she wouldn't be able to ever pin the fact that she left her family for you....
If she wants to leave, let her leave without you in the picture at all. Then you'll know it was really what she wanted to do (and she'll know that too).