My family have questioned my integrity, who I am as a person.
The footage was shot in 2003 during a trip to Mexico to celebrate Kim's 23rd birthday.
Ray J now regrets his role in releasing the tape after he was publicly blamed for leaking it but has been unable to correct the record due to the contract that he had signed without legal advice.
He added that with the help of Jenner, the couple signed a contract with Vivid Entertainment for three videos.
A native Australian first broke news of the sex tape to the New York Daily News.
Kim followed in her mother's footsteps.