Narcissa sighed. "There is latent Veela blood in the Black family. The blood does not diminish over time, it is there as it was when it was first introduced by some Veela ancestor hundreds and hundreds of years ago. Its recurrence is random. It was the case for my grandfather’s sister, your great aunt. Her love story was quite the thing. I acquired her journals. And before that, well, we’d have to look at the family trees. It is even rarer for it to manifest in male Black’s. Male Veela are almost unheard of but – I’d always wondered about you before..."