The Unexpected Sister

"What kind of mother are you? You make all your children miserable to the point of no recovery!" Klaus shouted. Esther grinned.
"Not all of my children." She laughed uncomfortably. All of the Mikaelson children looked at each other confused.
"What do you mean not all of us?" Elijah asked. She smiled at them all.
"Oh my sweet children. Did you think that you were it?"