Question: On what day was Robert Kardashian's first wife born?
Sentence (from "Robert Kardashian"): He had four children with his first wife, Kris Kardashian (née Houghton, later Jenner): Kourtney, Kim, Khloé, and Rob, who appear on their family reality television series, "Keeping Up with the Kardashians", and its spinoffs.
Relevant evidence: Yes