Depending on which book, legend, or lore you read.
In most books vampires travel alone.
In P.J. Smith's the Vampire Diaries, the Salvatore brothers are blood related both being turned by the same vampire.
In Stephenie Meyer's Twilight series, the Cullen Coven are not blood related but were all changed by Carlisle Cullen (except for Alice and Jasper). The only blood related vampires are Jane and Alec, guards of the Volturi, referred to as "the witch twins".
However, a vampire can create or find a "family" but it would be referred to as a "coven".
Yes, Zero is a vampire. When his family was attacked and murdered he was bitten by the pure-blood who killed his parents, turning him into a vampire.
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The Cullen family, the volturi and Jacob black know that Bella is a vampire.
Yes, but he turned into a vampire before Damon.
If you are talking about the Twilight series, the Cullens are a vampire family.
yes. edward is the fastest vampire in his family
The Morina's are a fictional family of vampire in the TV show "The Vampire Diaries." They are descendants of the original family of vampires, the Mikaelsons. Their storyline involves power struggles, family dynamics, and the supernatural world in the show.
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Bella falls in love with Edward. She learns he is a vampire but she doesn't care. Another vampire tries to eat Bella but Edward and his vampire family save her and kill the vampire.
You are a vampire because you have vampire blood and have either 1) been turned (like me) or 2) been born one because someone in your family is one.
Elijah's last name from The Vampire Diaries is Mikaelson. He is a member of the powerful Original vampire family on the show.
Jacob Black tells her a scary vampire story. Is that what you wanted to know???