Additional details about heavy metal icon Ozzy Osbourne's death last month have surfaced, including his cause of death and additional factors.

Iconic music industry figure Ozzy Osbourne passed away at the age of 76 at his home in Buckinghamshire on the morning of 22 July 2025, and now, a death certificate submitted by Osbourne’s daughter, Aimée Osbourne,

Almost a week after Ozzy Osbourne's family laid him to rest in his hometown of Birmingham, England, the Prince of Darkness' cause of death has reportedly been determined.

An official cause of death has been confirmed for Ozzy Osbourne. The legendary Black Sabbath frontman died of a heart attack and also suffered from coronary artery disease and Parkinson’s disease, according to a death certificate filed at a registry in London and obtained by The New York Times.

WASHINGTON — Heavy metal legend Ozzy Osbourne ’s cause of death has been officially confirmed. A death certificate obtained by The New York Times and The Sun lists cardiac arrest and coronary artery disease as the leading causes. The document also cites Parkinson’s disease with autonomic dysfunction as a contributing condition.

The New York Times now reports that the rocker’s official death certificate lists his cause of death as “acute myocardial infarction”, typically meaning the death of tissue resulting from a failure of blood supply to an organ, and “out of hospital cardiac arrest”, or heart attack.

Metallica’s Robert Trujillo, who previously played in Ozzy Osbourne’s solo band in the early 2000s, shared details about the late rocker’s private funeral in England on July 30.