User blog comment:Jabberwokk/Who we have seen/@comment-4372259-20110904091413/@comment-4372259-20110904123602

Well, not much is really known about the Roman camp or the Roman gods. We haven't seen Roman gods yet (besides Juno)--gods we haven't met.

I'm just saying I think it's Minerva. It's just a wild guess. No big deal. Other than my guess I'm pretty clueless on who Reyna's godly parent is.