Actually, even if you do not believe the Adam and Eve story, it is likely many of us are related. Even through the 1800s inbreeding was commonplace. Royalty especially liked to keep the bloodlines within the family.
I am basing it on being told there is a god and devil. You can't have one without the other. So after seeing and experiencing evil. It changed me. It scared me. Hearing voices coming from a young girl and seeing her with no control of her own body scared me to my knees asking. God for forgiveness. On the spot. What would you do? It told me things about me NO ONE knew. Splain that in s scientific terms. Also doing this from my HTC hero. Awesome!
As long as every question is answered by the word “God,” scientific inquiry is simply impossible. – Robert Green Ingersoll, “The Gods” (1872)