Black Sabbath frontman also suffered from coronary artery disease and Parkinson’s disease, according to the document

Ozzy Osbourne, the Black Sabbath frontman and a defining figure of British heavy metal, died of cardiac arrest and also suffered from coronary artery disease and Parkinson’s disease, according to a death certificate filed by his daughter and obtained by the Sun and the New York Times on Tuesday.

The death certificate, which was reportedly filed at a registry in London by Aimée Osbourne, one of Ozzy Osbourne’s daughters, reportedly lists the official cause of death as “(a) Out of hospital cardiac arrest (b) Acute myocardial infarction (c) Coronary artery disease and Parkinson’s disease with autonomic dysfunction (Joint Causes)”.