Ozzy Osbourne 's cause of death has been revealed after the rock icon’s funeral. The 76-year-old Black Sabbath frontman, who had been diagnosed with Parkinson’s disease in 2019, died on July 22 of a heart attack. The death certificate - which was filed by his daughter Aimee at a London registry - was obtained by the New York Times.

Ozzy Osbourne’s cause of death was revealed two weeks after the rocker’s passing at 76. The late Black Sabbath rocker’s official cause of death is listed as "out of hospital cardiac arrest" and "acute myocardial infarction,