The wicked cousin and would-be heir of Duke Nevers who conceals the Duke's child and orchestrates multiple assassination attempts. He murders Nevers and the wedding party, branding his hand in the process. Years later, he schemes through the Mississippi Company stock market raid, but is ultimately exposed and killed by Lagardère to avenge the Duke.
Ruthless cousin and heir who murders Nevers, becoming the protagonist's lifelong target for vengeance.
Ambitious cousin who seeks to usurp Nevers' title and wealth through murder and deception.
Antagonist who legally controls the widow's assets while she remains in religious seclusion.
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