Its quite possible. They were not the first humans so its quite possible. Religious Christians are
in this fantasy world that Adam and Eve were the only ones. If that is the case, there was a lot
of years of incest in that family tree.
Wow what was I thinking, assessing this in depth argument that you pose, it's all clear to me now. Hmmmm, yep,
perfectly logical, hey every body, tromanator says they didn't exist!