I played with those things like other people do crossword puzzles. Some of them were so complex I drove my prof nuts. Not a perfect predictor, but darned close.
I believe the families on Noah's ark were brown skinned; so wherever they wandered to live they could adapt. Another interesting point is everybody is a cousin to another; maybe 100-10,000 related cousins historically.
The Morman Church started a little study of who is related to who and where they came from many years ago. Well, that little study became a great big study with scientists and historions hired that could go back in time and place before the current borders of countries were created.
It's interesting stuff. I discovered I am Russian, Ukrainian, Polish and German.