Forbes: Waltons Among World's Top 15 Billionaires

Forbes: Waltons Among World's Top 15 Billionaires
S. Robson Walton is among the Walton family members on Forbes' list of billionaires.

Wal-Mart's Walton family is once again among Forbes' magazine list of the world's billionaires.

The magazine ranked members of the family, which founded the world's largest retailer, at Nos. 11-12 on its annual list, with three of them tied at No. 12.

Click here to read about the full list.

According to the list, Jim Walton, 61, is ranked No. 11 at $17.8 billion. In a three-way tie for No. 12 are Alice Walton, 59; Christy Walton, 54 and family; and S. Robson Walton, 65. Each is worth $17.6 billion.

Jim Walton, Robson Walton and Alice Walton are the sons and daughter of Wal-Mart founder, Sam Walton, who died in 1992. Christy Walton is the wife of the late John Walton, who died in 2005 in a plane crash.

Alice Walton, who lives in Fort Worth, Texas, is the driving force behind the Crystal Bridges Museum of American Art, now under construction in Bentonville.