Perhaps to some, it would have been the most natural thing in the world. For a True Vampire to marry their Seneschal, a person whose life was bound to theirs until the end of their lives, made the kind of sense that any child who had ever read a fairy tale could understand. But fairy tales were the only places anyone could think of where vampires found love at all.
The Four Deaths were legends, some might even call them boogeymen, creatures that were all but spectres of death itself. A Seneschal was supposed to act like Death's servant in the world of the living, but in most fairy tales that included such a figure, they were little different than loyal hounds, side characters in the story who appeared as heralds for their mighty masters.