Washington DC, Sept. 4 -- Jack Osbourne recalled the moment he found out his dad Ozzy Osbourne had passed away. He shared that it took time to figure out how to address his father's July 22 death at Harefield Hospital in west London. The Black Sabbath legend was 76, reported People.

"I woke up in Los Angeles to a knock on my house door at around 3.45 [a.m. local time] in the morning," Jack recalled in the YouTube clip.

"Someone who has worked for my family for probably 30 years was knocking on my door, and when I looked through my window and I saw it was him, I just knew something bad had happened. I was informed that my father had passed," he said.

Jack shared that he immediately felt "sadness" and "pain," adding, "So many thoughts .....