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. The certificate,

Ozzy Osbourne died of a heart attack, his death certificate has revealed. The Black Sabbath front man, who was 76, died last month, two weeks after playing his farewell concert at Villa Park in his home city of Birmingham.

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.