http://news.yahoo.com/news?tmpl=stor...ail_walmart_dc
NEW YORK (Reuters) - Wal-Mart Stores Inc., the world's largest retailer, said John Walton, the billionaire second son of its founder, Sam Walton, was killed in a airplane crash on Monday.
Wal-Mart said John Walton, one of the richest men in the world, was killed when an ultra-light aircraft he was piloting crashed shortly after take-off from the Jackson Hole Airport in Grand Teton National Park, in Wyoming.
The cause of the crash has not yet been determined, Wal-Mart said in a statement.
Walton, 58, was a member of the Wal-Mart board of directors.
Walton is ranked 11th on Forbes magazine's most recent list of the world's richest people, with a net worth estimated at $18.2 billion.
The retailer said Walton is survived by his wife and their son; his mother; two brother, a sister and their families.