Brandon Blackstock, ex-husband of Kelly Clarkson and former artist manager of Kelly, Blake Shelton and Reba McEntire, has died from cancer at the age of 48.

Brandon was the son of Narvel Blackstock, who was married to Reba McEntire from 1989 to 2015. In a statement to People, representatives said, "Brandon bravely battled cancer for more than three years. He passed away peacefully and was surrounded by family. We thank you for your thoughts and prayers and ask everyone to respect the family's privacy during this very difficult time." Brandon is survived by his father, his children Savannah, Seth, Remington and River, his grandson Lake and his siblings Shawna, Shelby and Chassidy.