In getting back to the incest question...I too have tried to keep less then desirable couplings from happening. It does get too confusing in later generations even with last names created from the parents' names. I do remember an incident where I caught a mother going off to the "Love Shack" with her son. I pulled them away from the hut, but it was too late. Momma had a son, and Son had a brother/son. Ick. In later generations, I just give up and let "nature" take its course. Lol!