This thought went through my mind, also it could be another explanation. that is if such tribal connection has ever existed.

Those few individuals who felt it was time to leave the pack as oppose stay within it. Those who grew their own pack and from there own made a branch of their own within the bigger tribal or clan.
This signifies the roots of civil and uncivil in here. I think it is relevant for those who want to explain how they ended up here is to distinguish whether or not theirs comes from those who had left or stayed out fear or consolidate
A quick look onto their cheer number, explains that there was one who felt to make it on his own, and out of fear kept in his blood line.
I wonder if there are others like him here who followed along his path