A Son Sues to Divide Sumner Redstone 's Empire The son of Sumner Redstone , the media mogul who controls CBS and Viacom , has filed a lawsuit to force a break up his father 's empire , charging that he has not been treated fairly and his sister is being favored .
Sumner Redstone
CBS
/business/person/company
Sumner Redstone
Viacom
/business/person/company
Sumner Redstone
CBS
/business/person/company
Sumner Redstone
Viacom
/business/person/company
Sumner Redstone
Viacom
/business/company_shareholder/major_shareholder_of
Viacom
Sumner Redstone
/business/company/major_shareholders
Sumner Redstone
Viacom
/business/company_shareholder/major_shareholder_of
Viacom
Sumner Redstone
/business/company/major_shareholders
PERSON
Sumner Redstone
PERSON
Sumner Redstone
ORGANIZATION
CBS
ORGANIZATION
Viacom