User blog comment:BlankyXP/We now have a dog and Alistair is still the dumbest one in the party./@comment-1662703-20120916223553/@comment-1662703-20120917024609

Either two females/males can either be brother and sister etc. Then let them have kids and hopefully when put in a house, their kids' relationships with each other will be cousins. Tried it with the Culls' and Marshalls'.