6. David Thomson (Kenneth Thomson)
Roy Herbert Thomson launched a radio station and owned newspapers in Canada until his death in 1976, passing his immense wealth to his son Kenneth Thomson. Kenneth owned The Times in Great Britain and the Jerusalem Post along with a bunch of television networks. Kenneth passed away in 2006 and bequeathed his fortune to his son David. David inherited a whopping $20 billion fortune and merged his media company with Reuters to become Thomson Reuters in 2008. His family is the richest in Canada, topping out their collective wealth at $37 billion.
