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Son of Frankenstein is a 1939 American horror film directed by Rowland V. Lee and starring Basil Rathbone, Boris Karloff and Bela Lugosi. The film is the third in Universal Pictures' Frankenstein series and is the follow-up to the 1935 film Bride of Frankenstein. Son of Frankenstein stars Rathbone as Baron Wolf von Frankenstein who, with his wife Elsa and son Peter, returns to his late father's estate. Near the castle lives Ygor, a crazed blacksmith whose neck was broken in an unsuccessful hanging attempt. Among the castle's remains, Frankenstein discovers the remains of the Monster and decides to try to save his family name by resurrecting the creature to prove his father was correct. He finds, however, the Monster only responds to Ygor's commands.