It's possible. If the house was old enough, and if they only ever expected to send servants down here anyway, I can't see why they would waste money on extras down here.

[She turned and shone her light back the way they'd come from, and then shrugged a little.]

Honestly, even my most educated guess is just that. I don't know nearly enough about human cultures and customs that are not, well. Modern, where I'm from. I never spent a great deal of time studying living races. My specialty has always been the Protheans, and they've been extinct for around 50,000 years.