Question: Alice Walton is the wealthiest woman in the world, according to maganize Forbes, what other Walton was listed as the 11th richest person in the world in October 2012?
Context: Jorge Paulo Lemann (born August 26, 1939) is a Brazilian-Swiss investor.  He is ranked as the 26th richest person in the world by Forbes, with an estimated net worth of US$ as of 2016 he is the richest person in Brazil.  s of 2015 , Forbes Brazil listed Lemann as the top entry for the Richest Brazilians list. Wu Yajun (; born 1964) is a Chinese businesswoman, co-founder, former CEO and current chairwoman of Longfor Properties.  She is the third richest woman in China, and the 22nd richest overall, according to the Hurun Report China Rich List 2013.  In 2012, She held the title of richest woman in China, as well as fifth richest person in China.  She lost that position to Yang Huiyan due to her divorce from Cai Kui, positioning herself as second richest woman in China.  As of March 2013 she was the 299th richest person in the world, and among the top 50 Power-women list by Forbes, with a net worth of US$4.4 billion.  She is a member of the National People's Congress.  In 2014, she was listed as the 41st most powerful woman in the world by "Forbes". Alice Louise Walton (born October 7, 1949) is an American heiress to the fortune of Wal-Mart Stores, Inc. She is the daughter of Wal-Mart founder Sam Walton and Helen Walton, and sister of S. Robson Walton, Jim Walton and the late John T. Walton.  With a net worth of $40.8 billion she is the wealthiest woman in the world, according to "Forbes", following the death of Liliane Bettencourt in September 2017. James Cox Kennedy (born 1948) is an American media executive and the current chair of Cox Enterprises, the media conglomerate founded by his grandfather, James M. Cox.  According to the Forbes billionaires list from 2017, he is the 105th richest person in the world, the thirty-seventh richest person in the United States, and the richest person in the state of Georgia, surpassing his aunt, Anne Cox Chambers, for the title.  He was featured in a Forbes article entitled "This Billionaire Knows The Secret To Saving A Family Business". Harold Glenn Hamm (born December 11, 1945) is an American entrepreneur primarily involved in the oil and gas business who is best known for pioneering the development of the large shale oil resources of the Bakken formation.  On June 24, 2016, Hamm was ranked by Forbes magazine as the 39th richest person in United States and 98th richest person in the world, with a net worth estimated at $11.3 billion.  Hamm's net worth peaked at $18.7 billion in September 2014, but decreased to $9.3 billion by 2015.  In 2012, presidential candidate Mitt Romney named Hamm as his energy advisor and thereafter Hamm made substantial monetary and advisory contributions to the election effort. Barry Lam (; born 1949 in Shanghai) is the founder and Chairman of Quanta Computer, the leading laptop producer worldwide.  He is also a major patron of the arts and a leading philanthropist in the area of culture and education.  In 2011, Forbes named him as the 376th richest person in the world and 6th richest in Taiwan with a net worth of US$3 billion.  In 2012, he is cited as the 296th richest person in the world and 5th richest in Taiwan with a net worth of US$4.2 billion. Robert Kuok Hock Nien (; born 6 October 1923), is a Malaysian Chinese business magnate and investor.  According to "Forbes", his net worth is estimated at $12.2 billion on July 2017, making him the richest person in Malaysia and second richest in Southeast Asia after Dhanin Chearavanont of Thailand, according to Forbes List of World Billionaires 2013 which Robert Kuok was placed 76th.  As of December 2012, according to the Bloomberg Billionaires Index, Kuok has an estimated net worth of $17.3 billion, making him the 40th richest person in the world. Johanna Maria Quandt (née Bruhn; 21 June 1926 – 3 August 2015) was a business woman and the widow of German industrialist Herbert Quandt, who resurrected BMW from bankruptcy.  When she died in 2015 she was the 8th richest person in Germany (and the richest German woman), 77th richest person in the world, and the 11th richest woman worldwide according to Forbes. Lu Guanqiu (; born January 1945) is a Chinese entrepreneur.  He is the 18th richest person in China, according to the Hurun Report China Rich List 2013.  He is the 286th richest person in the world, and reportedly the richest person in Zhejiang Province.  He is a delegate to the Chinese National People's Congress. Samuel Robson "Rob" Walton (born October 28, 1944) is an American businessman and is the eldest son of Helen Walton and Sam Walton, founder of Walmart, the world's largest retailer.  He served as Chairman of Walmart from 1992 to 2015.  In October 2012, Walton was listed as the 11th richest person in the world.
Answer: S. Robson Walton