Jack Osbourne is opening up about the death of dad Ozzy Osbourne .

Back on July 22, the Osbourne family announced that the Black Sabbath rocker had passed away at the age of 76 .

In a new video posted to YouTube on Wednesday (September 3), Jack , 39, revealed how he learned about his dad’s death.

Jack shared that a man, who has worked for their family for 30 years, knocked on the door of his home in Los Angeles at 3:45 in the morning to deliver the sad news.

“When I looked through my window and I saw it was him, I knew something bad had happened,” Jack recalled. “I was informed that my father had passed.”

Jack went on to say that he was able to spend extra time with Ozzy during his final days after they stayed in the UK following Ozzy ‘s final show with Black

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