What happened to John brother Robert Morrison?

Robert Morrison was the older brother of John Morrison. Unfortunately, Robert unexpectedly passed away in December of 2020. The exact cause of his death has not been publicly disclosed, but it is presumed to be related to a preexisting health condition. His passing was not only a significant loss to his family, including John, but also to the wrestling world, where Robert had been involved as an active wrestler, primarily in the independent wrestling scene.