Pedro Herenna is the influential Cabinet Minister and head of the Herenna family. He is described as having red hair and a fiery temper. He orchestrates the search for Lorin, seeing him as a pawn in the succession game. He pleads with Emperor William VI to allow Lorin to return and study at the Military Academy. He is cunning and politically savvy, arguing against Princess Dailian's candidacy. He is Kathlyn's grandfather and wants to restore his family's power through Lorin. He is a major political force behind the scenes.