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Jack Nicholson Didn't Know Who His Real Mother Was Until He Was Almost 40 Years Old | LittleThings.com
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JACK'S LIFE: A BIOGRAPHY OF JACK NICHOLSON de McGILLIGAN, Patrick: (1994) Signed by Author(s) | Antic Hay Books
Did actor Jack Nicholson find out his sister was actually his mother when he was 37 years old? - Quora
Jack Nicholson's sister was actually his mother | Until he was 37, Jack Nicholson had no idea that his "sister" was actually his biological mother. #JackNicholson | By AmoMama Nostalgia | Facebook
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