Birthright

Damian and Logan Dragovich aren't ordinary twin brothers. Damian is a vampire, while Logan is a werewolf, and in 1601 Transylvania, such creatures weren't immortal-aging was merely slowed. The brothers find that their father, King Lucian, has been abducted, so they embark on a journey to rescue their beloved patriarch. After they discover that it is the Jackal clan who is to blame, their eyes are ...