Salvatore Siblings

In the vampire world, there is a family of siblings who were the only survivors of their family home that went up in flames. The family are a powerful and
The oldest, Lord Luca is now head of the family. He looked after his two younger siblings with King Lucifica. There's Jaxson, he is a nuisance. Then there is Cymbeline. The only female she can be lazy and cause trouble but she does have a heart.
When Lucifer calls on the Siblings about the disappearance of both werewolves and vampires. They will investigate to find out who is behind with.

They send their youngest undercover to find information within the werewolves kingdom.
The information they find, they turn to the Werewolf King to stop the rumors and force to bring peace back to everyone.