"She is a Widdowson," Coward murmurs with a shrug. To him, that's all that matters. Widdowsons die, and they do not succeed. The curse takes care of them easily enough. If she becomes a real threat, you can deal with her then."

Inwardly, he can't help but be pleased to hear how much Norrell asks for reassurance. It makes for a more pliant 'ally.' And might give him an in to help with his goal of seeing the Night Council himself. First, he has to convince Millicent, though.