This post seems more suited for the EP7 thread >,>
I was under the impression that Battler looks like Kinzo
and Beatrice looks like Beatrice the first XD
So, Battler looks like a tall Japanese guy, and Beatrice looks Itailian. But thats just a guess.
Though incest is kinda....yeah, I`m not to sure what to say..... At least it`s not as bad as Kinzo and Beatice 2nd.
But it could be
genetic attraction