About Rob Kardashian
Robert Arthur Kardashian is an American television personality. He is known for appearing on Keeping Up with the Kardashians, a reality television series that centers on his family, as well as its spin-offs. In 2011, Kardashian also competed in the thirteenth season of ABC's Dancing with the Stars, during which he placed second. He is the fourth and youngest child and the only son of Robert Kardashian and Kris Jenner. During the season, Kardashian became the most improved dancer, advancing with his partner Cheryl Burke to the finals, her fifth time doing so.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.