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, ex-husband of music star Kelly Clarkson, died last Thursday, August 7. An official cause of death for the 48-year-old has been confirmed. Silver Bow County Coroner Dan Hollis told PEOPLE Monday that Blackstock died of melanoma,