- Born
- Birth nameJane Christopher O'Brien
- Jane O'Brien was born in 1967. She is a writer and producer, known for Cybill (1995), The Simpsons (1989) and Costello (1998).
- ParentsThomas O'BrienRuth O'Brien
- RelativesLuke O'Brien(Sibling)Neal O'Brien(Sibling)Justin O'Brien(Sibling)Conan O'Brien(Sibling)Denis Leary(Cousin)Beckett O'Brien(Niece or Nephew)Neve O'Brien(Niece or Nephew)Kate B. O'Brien(Sibling)
- Younger sister of Conan O'Brien.
- Sister of actress Kate B. O'Brien.
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