Jason Knauf, who worked as an aide to both brothers, appeared on an episode “60 Minutes Australia,” offering up tidbits about the bad blood within the British monarchy.

Prince William spoke out about the experience of both his father and wife being diagnosed with cancer, calling last year "the hardest year in my life." Now in a new 60 Minutes Australia episode, former royal aide Jason Knauf shared what it was really like behind the scenes as the Prince of Wales dealt with two family health crises.