"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 .

Brandon Blackstock's official cause of death has come to light, days after the talent agent and ex-husband of Kelly Clarkson died of natural causes at age 48.

Brandon Blackstock, the talent manager and former husband of Kelly Clarkson, died of melanoma, a form of skin cancer, on Aug. 7. The Silver Bow County Coroner Dan Hollis tells PEOPLE Blackstock "passed away peacefully at his home in Butte,