Paris Jackson's patience seems to be wearing thin for the two men in charge of running her late father Michael Jackson's estate, Us Weekly can report. Sources close to Paris, 27, told Puck that the only daughter of the late legendary pop star is becoming increasingly frustrated with estate executors, John Branca and John McClain. Branca and McClain have been in power since Michael died in 2009 at the age of 50. Puck reporter Eriq Gardner wrote that insiders claimed Paris was "concerned that a system designed to protect an artist's legacy has been bent over time toward preserving its own power.