The talent manager “passed away peacefully at his home in Butte, Mont., on Aug. 7 under hospice care surrounded by his family.”

The official cause of death for Kelly Clarkson’s ex husband Brandon Blackstock has been confirmed. After the death of the talent manager on Thursday, who shared two children with the “Stronger”

"Brandon Blackstock passed away peacefully at his home in Butte, Montana on August 7th under hospice care surrounded by his family,” Silver Bow County Coroner Dan Hollis told multiple media outlets including PEOPLE and Fox News Digital .