Lucius smirks slightly. At least THIS Rodolphus is smart enough to admit that he's been listening. That's already an improvement.
As to the question of his family. "As far as I am aware, they are alive, though unreachable by me to confirm, as of yet. I am also led to believe that the versions you know are, as well. It's all very maddening and tends to cause headaches if I think about it too long at a time." He shrugs. "Such is this place. Now, turkey, or roast beef?"