Ozzy Osbourne died from a heart attack and suffered from Parkinson’s and coronary artery disease, according to a death certificate filed in London and obtained by the New York Times.

Ozzy Osbourne’s cause of death has been confirmed. The former Black Sabbath frontman died at 76 after suffering an “acute myocardial infarction” and an “out of hospital cardiac arrest,” according to his death certificate,

Ozzy Osbourne died of a heart attack and had coronary artery disease in addition to suffering from Parkinson’s disease for years, his death certificate said.