What if Elena and Jeremy and a sister, who was younger than Elena but older than Jeremy. What if she knew Laughing Jack. Natalie Robin Gilbert is the second oldest of the Gilbert siblings, she is the complete opposite of her sister Elena. She knows all about the supernatural world since she was 8 years old. The reason she knows is cause of Laughing Jack and Laughing Jill. They came across her when they decided to work together on a kill, but they couldn't bring themselves to kill her cause they thought that something special would become of her. They were right.