More details have emerged about Ozz Osbourne's death. It seems that the music legend's final hours at home were a difficult time for the whole family.

Ozzy Osbourne’s official cause of death has been revealed after his July 22 death at the age of 76. According to a death certificate obtained by The New York Times and The Sun, the former Black Sabbath frontman died of “out of hospital cardiac arrest” and “acute myocardial infarction,

Ozzy Osbourne was at home amid the things he loves most in the days leading up to his death, a source tells PEOPLE. Osbourne, 76, died on Tuesday, July 22, with his family, including wife Sharon, by his side.