Mirabelle waited for Klaus' declaration of "I'm not a Kingston" when the woman at the door excluded him herself. "We strive for hospitality, even when things are...tense," she said, her tone even though low. "Acting brash will only cause more trouble." She stepped forward to take the door from her sire and open  it further. The woman explained her reasons for being here, and Mirabelle looked her up and down, confirming for herself that this vampire carried no weapons. Not that she'd need them. 

Praetor was right, however. Denying the not-Blackmoore could lead to only more issues. And she was outnumbered in the Kingston home. "Yes, come in," she said, stepping aside. "Are you thirsty? We keep blood if you'd like a bag."