User blog comment:Longdead97/Ulfric's war effort & gaining support. Smart move or no?/@comment-80.216.216.52-20130328091203/@comment-80.216.216.52-20130401232954

Bretons were explicitly created trough MAGICAL (caps for emphasis) eugenics, to somehow make a master/super race.

YMMV on their success.

It is completely different from normal inworld procreation.