Wait, could it be that the girls were switched as babies? So the protagonist's uncle would actually be her father?
Comment by Milagira on I Became the Tyrant’t Dying Wife - Chapter 43
4 Replies
@Milagira that's what I'm thinking too!
@Milagira I feel like that's the case 
@Milagira that was clear after her singing let the priest sleep. That she got sirene genes. The book also mentioned the gems that boost her power because thes are from sirenes. And the mother of the cousin is told to be some decendante of sirenes.
@Shayatsu plus it also explains why the Duke is so cruel towards Leah and why Elouise is so two faced