Days after Kelly Clarkson’s ex-husband, Brandon Blackstock, suddenly passed away at the age of 48, the late talent manager’s cause of death has been revealed.

In a statement to PEOPLE, Silver Bow County Coroner Dan Hollis revealed that Blackstock passed away in his home in Butte, Montana, on Aug. 7, surrounded by his family. His cause of death was melanoma, a form of skin cancer. The manner of death has been ruled as natural causes.

A rep of the Blackstock family confirmed Brandon’s death. “It is with great sadness that we share the news that Brandon Blackstock has passed away. Brandon bravely battled cancer for more than three years. He passed away peacefully and was surrounded by his family.”

“We thank you for your thoughts and prayers,” the statement added. “And ask everyone to respe

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