They have birthright citizenship. That is a certainty. But not born on US soil..here are the best articles on that. One was from 2005 and the other is more recent.
Boston Law Review
“Natural Born in the U.S.A.: The Striking Unfairness and Dangerous Ambiguity of the Constitution’s Presidential Qualifications Clause and Why We Need to Fix It” http://scholarship.law.edu/cgi/viewcontent.cgi?article=1129&context=scholar
Catholic Law Review
The Natural Born Citizen Clause as Originally Understood
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2444766
Will you Freep.mail me thaw two links
Will you Freep.mail me thaw two links