Article continues below advertisementDrama is brewing over Ozzy Osbourne's $220 million fortune following his passing.On July 22, the Osbourne family released a statement confirming the Prince of Darkness' death at the age of 76. His death certificate revealed he died of "out of hospital cardiac arrest" and "acute myocardial infarction," with coronary artery disease and Parkinson's disease with autonomic dysfunction as "joint causes."He was laid to rest at his Buckinghamshire home on July 31.