Question: Samuel Robson "Rob" Walton, born on which date, is an American businessman and is the eldest son of Helen Robson Kemper Walton, the wife of Wal-Mart founder Sam Walton, the world's largest retailer?
Sentence (from "Helen Walton"): Helen Robson Kemper Walton (December 3, 1919 – April 19, 2007) was the wife of Wal-Mart and Sam's Club founder Sam Walton.
Relevant evidence: Yes