For all its dignity and nobility, the British royal family also has a rather violent history.
So it’s no real surprise that the current palace occupants have some unsavory folks in their ancestry.
Their first encounter was in 2014, when the monarch was still Prince of Wales.

Evans described being “super nervous” about speaking to Charles, but found him “charming.”
and I said, ‘I’ve just finished a movie about Vlad Tepes who turns into Dracula.’
And he went ‘Funnily enough, I’m related to Vlad Tepes’" (viaEvening Standard).

His great-grandmother, Queen Mary, was a descendant of Vlad Tepes' half-brother, Vlad IV.
So Charles is “a great.