The son of Vargus Vallovich and Lydia, a young adult who only very occasionally makes public appearances and spends most of his time locked away in a room in the attic - the maid has heard strange noises coming from there.
Was going to be married to Stella Wachter but he was standoffish and treated her poorly before she went insane.
Spying on him with Geist it seems he is some sort of wizard, reading from books and animating cat skeletons.