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How are all the characters (Zero, Stanley, Madame Zeroni, Elya Yelnats, Kate Barlow, and Sam) all connected?
Elya Yelnats is the great, great grandfather of Stanley. He was cursed by Madame Zeroni, who is related to Zero. Because of the supposed "curse," Kate Barlow stole Stanely's great grandfather's fortune from the stock market because she became an outlaw after falling in love with Sam and seeing him killed.