Who is the rock star that had a child drown in his pool?

The rock star you are referring to is Ozzy Osbourne. In 2021, it was reported that his son, Jack Osbourne, faced a tragic incident involving a drowning in a pool, although the child was not his but a friend. This incident brought attention to the importance of pool safety and supervision. Ozzy Osbourne himself has faced various controversies and challenges throughout his career but has been a prominent figure in Rock Music.