Esme Cullen is a member of the Cullen family, an elite group of vampires in the Twilight series who are known for their remarkable restraint and pacifism. Esme is intelligent, nurturing, and deeply in love with her vampire husband, Carlisle Cullen. She has a motherly figure to the other vampires, especially toward Bella Swan, providing comfort and support. Her relationships with the werewolves in the vicinity are complex, as she bears the scars of past conflicts but also advocates for peace. Esme is loyal and fiercely protective of her family, and she believes in the possibility of harmony between humans, vampires, and werewolves.