The source tells PEOPLE that Sharon has found "a lot of comfort" from the "family time" they spent together before his death on July 22NEED TO KNOWA source tells PEOPLE that Sharon Osbourne is "heartbroken" over Ozzy Osbourne's deathThe Black Sabbath rocker died at age 76 on July 22"She's been the rock of this family for decades,

Ozzy Osbourne's loved ones took to his Instagram account to pay a new tribute to the late Black Sabbath star, who passed away on July 22

"Ozzy At 75" author Daniel Bukszpan told The Post that Sharon Osbourne helped keep Ozzy Osbourne alive for many years.

Before Ozzy Osbourne died on July 22 in Buckinghamshire, England, a "helicopter was dispatched to provide advanced critical care," a Thames Valley Air Ambulance spokesperson confirmed to PEOPLE in a statement.

Black Sabbath singer Ozzy Osbourne's sisters recall their final interactions before his death at 76, noting he was frail but still joking before a farewell performance in England.

Black Sabbath bassist Geezer Butler has paid a tender tribute to his friend and former bandmate Ozzy Osbourne, sharing his memories of how "the most incredible journey of our lives" began. Butler's recollections come in an essay penned for The Sunday Times, published yesterday, July 27.

Geezer Butler honored Ozzy Osbourne with a moving tribute, reflecting on their early days, lifelong bond, and emotional final show in Birmingham.

Ozzy Osbourne's family have been "sickened" by rumors that have emerged since his death, with claims that the Black Sabbath icon took his own life

The Osbournes' ran for four seasons on MTV between 2002 and 2005 and is considered a foundational pillar for reality television