If 你 aren't ready for a "The Winds of Winter" spoiler, just click out now, pretend 你 didn't even see this headline and abandon ship! If 你 keep 阅读 beware that 你 are staying here at your own risk.
The 辩论 about the parentage of the bastard Jon Snow has been one of the biggest concerning the series. In SSM #159, George R. R. Martin admitted that Jon's parents will eventually be revealed in later volumes of the series.