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.

Originally appeared on E! Online Ozzy Osbourne was overwhelmed by the love of his fans. Shortly before the Black Sabbath frontman’s death from a heart attack on July 22 at the age of 76,

Ozzy Osbourne, the heavy metal and reality television star, died of a heart attack and had suffered from coronary artery disease and Parkinson’s, according to a death certificate filed at a registry in London.