Blackstock was the father of four kids: Savannah and Seth, shared with his first wife Melissa Ashworth, and River and Remi, ...

Sources tell PEOPLE that Blackstock, who was previously married to Kelly Clarkson, moved to Montana three years ago, when he ...

In a statement to PEOPLE, Silver Bow County Coroner Dan Hollis said Blackstock’s cause of death was melanoma, a form of skin cancer. His manner of death was natural causes. Nexstar did not immediately ...