IMDb Before I formed you in the womb, I knew you. Jeremiah 1:5 Netflix's latest documentary, Our Father , tells the story of an Indianapolis-based fertility doctor, Donald Cline , who fathered many children by secretly inseminating patients with his own sperm. The film unfolds as both a detective and horror story. It begins when Jacoba Ballard sets out to find if she has any siblings. Ballard realized at a young age that she looked different from her family. She thought she was adopted but learned that her parents had fertility issues. Her biological dad was a sperm-donor. When she took a DNA ancestry test, she discovered many half-siblings. Eventually they all traced their paternity back to the Dr. Donald Cline. The shocks keep coming as more families discover they've been affected. The numbers are staggering. It leaves a very real possibility that in the Indianapolis area, unsuspecting people may have dated, married or had children with a half-sibling. Despite