User blog comment:Twilight Despair 5/Fans for Season 8/@comment-3481504-20120408172318/@comment-3481504-20120410175355

Yeah, that's how the process occurs. If it did happen, I know they would be powerful, and obviously more so than Cambion.

Like I said, it's possible, and actually, Anna was nearly human when she said that, therefore what she did (having sex with Dean) doesn't prove anything.