As the fate of fictional Waystar RoyCo played out on the hit HBO drama Succession , a real-life business rivalry heated up to determine the fate of Rupert Murdoch’s media empire. A new Netflix docuseries examines how a battle over the family trust finally reached a breaking point.

Dynasty: The Murdochs , now streaming, examines how Murdoch built his fortune as the founder of News Corp. and chairman of Fox Corp. and its properties—becoming one of the world’s richest businessmen.

But as Rupert, now 95, grew older, he sought to avoid a family squabble that would pit his sons and daughters against one another.…