A werewolf and vampire mix is called an Abomination. It utterly should never exist.
Vampire
A baby vampire.
a vamwolf or a werepire? lol ether Hybrid
a Lycan or a Vampire-Werewolf hybrid
Vampire vs. Werewolf: The Game
She Is A Werewolf and a vampire
she is your step sister or one of your parents is a werewolf and the other is a vampire
Beast + Wrath
If speaking relationship wise than yes, just as any other human can be with anything else. But, if your speaking sexually, still yes, but if they coceive a baby the baby will be in werewolf form with a hairy vampire head that somehow matches the rest of the body.
Vampire
Yes because your bloodline can be a werewolf bloodline and you could been turned into a vampire.
half of a real werewolf It is actually called a Lycanthrope. Lycan coming from King Lycaon who was turned into a werewolf by Zeus for serving him human flesh. It is not called "half of a real werewolf" it is officially called a lycanthrope. Hybird