Kardashian is of Armenian (father), Scottish and Dutch (mother) descent, the daughter of attorney Robert Kardashian and Kris Jenner (née Houghton). Robert Kardashian, best known for being O. J. Simpson's lawyer during his murder trial, died on September 30, 2003. Her mother, Kris, divorced Robert in 1989, and married former Olympian Bruce Jenner in 1991.
Kardashian has two sisters, Kourtney and Khloe, and one brother, Robert. She also has stepbrothers Burton Jenner, Brandon Jenner, and reality TV star Brody Jenner, stepsister Casey Jenner, and half-sisters Kendall and Kylie Jenner.O.J. Simpson is Kardashian's godfather.
While attending high school Kardashian worked at her father's music marketing firm, Movie Tunes.