Yeah that was their SURNAME!
It's exactly the same as
Princess, it's just misappropriating a different "historical" impulse. "
Princess" misappropriates the idea of royalty-as-classy; "
Bronte" misappropriates a vague literary connection as classy. It's totally not historical. This is not a fair argument to make. "Classy" is a really subjective (and totally abominable) term but I think it usually means used commonly by either members of the old aristocracy (
Elizabeth Mary Anne Henry Alistair Philomena) or the newer, unofficial, glam-istocracy (
Marilyn,
Audrey).
Bronte has neither of these precedents