User blog comment:Animeangel1998/Half Vampire Half Werewolf/@comment-7600752-20130402031023

Lots of interesting ideas here. I agree that a full werewolf and vampire mating would be unlikely since they are both mortal enemies and they both think each other stink (literally). But there'd only be one canditdate for this to happen and this would be "Leah" as she is the only female werewolf. Leah says in the books that she thinks she's infertile, that's why nobody imprinted on her. A male werewolf couldn't get a female vampire pregnant because female vamps can't get pregnant. So I think this is unlikely to happen. Somebody mentioned perhaps a vampire could mate with a true werewolf also known as Children of the Moon. (The werewolves in the saga are actually shapeshifters). True werewolves only have normal human children. They do not pass on their werewolf ability through procreation, but by biting an uninfected human, just like the vampires do. The shapeshifters do pass on their ability thru their genes and procreation.