Sarah Keller

Royal ancestors feel the wrath of the curse of the condemned witch Mad Dolly, who spews forth her prophecy while she is burned at the stake. The victims suffer death by having their heads removed in various fashions, getting their limbs caught in animal traps, knife wounds, and other methods of medieval torture. (imdb)

Realising his secret girl-friend Dorothy's pregnancy will sour her relations with her ultra-rich father, career-minded Philadelphia student Jonathan Corliss cooly murders her, making it look like suicide. He then moves to New York to woo her twin sister Ellen. All seems to go well for him, although Ellen's continued investigations into what she is convinced was no suicide forces him to kill again. (imdb)