Paris Hilton's grandfather Barron Hilton has announced plans to donate 97 percent of his $2.3 billion fortune to charity.
That wealth includes $1.2 billion Barron Hilton stands to earn from both the recent sale of Hilton Hotels Corp. -- started by his father Conrad in 1919 when he bought a small hotel in Cisco , Texas -- and pending sale of the world's biggest casino company, Harrah's Entertainment Inc.
