That's funny, but that's perfectly possible. Considering white people are only white because of a genetic mutation, the child was most likely born without that mutation; hence why it has a much darker complexion. That or they adopted the child.
Why did the chicken cross the road? ~ This is why I could never own chickens. I wouldn't eat them and I wouldn't sell them to someone that would so I would end up with a chicken retirement home.and no eggs!