O.J. Simpson will take a paternity test to see if Khloé Kardashian is is daughter, but only if she visits him in prison.

Kardashian has been known to question who her father is and whether or not she was adopted on her family’s reality show, “Keeping Up With The Kardashians.” Her mother, Kris Jenner offered to take a maternity test in a 2009 episode of the show.

According to the Daily Mail, a former prison guard, Jeffrey Felix said that Simpson wants Kardashian to "show him a little respect" and come to Lovelock Correctional Center in Nevada to visit him. If she visits, he will take the paternity test.

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“He wants to talk to her about some other things too, but more importantly like her he wants to know if she is his daughter,” Felix explained.

The question of Kardashian’s paternity came up again when “The Man Who Saved O.J. Simpson,” a documentary about her father, the late Robert Kardashian aired on Reelz. Robert Kardashian and Kris Jenner divorced in 1991 and Jenner has admitted to being unfaithful in her marriage to Kardashian. The couple was also close friends with Simpson and his late ex-wife, Nicole Brown Simpson.

Simpson was famously acquitted of murdering his ex-wife but is currently serving a 33 year sentence on armed robbery and kidnapping charges stemming from a 2008 Las Vegas hotel-room altercation. He may be eligible for parole in 2017.