Kourtney Kardashian was born on April 18, 1979, in Los Angeles, California, to Kris and Robert Kardashian. Kourtney Kardashian is the oldest of four children, sharing her parents and three brothers with Kim Kardashian, Khlo Kardashian, and Rob Kardashian. Kourtney Kardashian graduated from the University of Arizona with a bachelor's degree.