Christy Ruth Walton (née Tallant, born February 8, 1949) is the widow of John T. Walton, one of the sons of Sam Walton, the founder of Walmart. In June 2005, she inherited her husband’s fortune of billion following his death in a plane crash. As of 2015 Walton is the richest woman in the world. According to Forbes, she is the 6th richest person in the United States, and the 8th richest person in the world, . Forbes reported that she was the richest woman in the world for eight years running, and still held the title in March 2015. , she and her family (not including her two brothers-in-law and a sister-in-law) had an estimated net worth of $36.7 billion, the bulk of which comes from her shares in Walmart, but also from First Solar, in which her husband invested.