By Tzvi Machlin Dallas Cowboys owner Jerry Jones got a pretty big courtroom win today as a woman filing a lawsuit against him dropped the case. But he isn’t entirely out of the woods yet. The plaintiff, 25-year-old Alexandra Davis claims that Jones is her father from a relationship with her mother in the 1990s. Rather than sue Jones, Davis is reportedly seeking genetic testing to determine the truth. Davis’ attorney Jay Gray told the Dallas Morning News that she intends to use DNA testing to confirm once her parentage once and for all. If true, it would legally establish Jones as her father. “…