"Feud Erupts in Redstone Family 14 February 2006 (StudioBriefing) The son of Viacom and CBS Chairman Sumner Redstone has filed a lawsuit seeking to dissolve National Amusements, the family-owned company that holds 71 percent of the voting shares of both Viacom and CBS."
Sumner Redstone (born 1923) built a multi-billion-dollar media empire starting with a string of movie theatres in the Boston area. After fighting successfully for ownership of a little-known cable TV company, Viacom, in 1987, Redstone went on to build Viacom into a personal kingdom that controlled MTV, Nickelodeon, VH1, TV Land, Comedy Central, UPN, TNN, Country Music Television, Showtime/TMC, CBS, Paramount Pictures, Simon & Schuster, Blockbuster, Infinity Broadcasting, and Paramount Parks. In 2002, Redstone's personal fortune was valued at $9 billion."