Aug. 7 (UPI) -- Brandon Blackstock, a talent manager and Kelly Clarkson's ex-husband, has died after a private battle with cancer. He was 48.

A spokesperson for Blackstock confirmed his death in a statement Thursday to NBC News.

"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 family," the statement reads. "We thank you for your thoughts and prayers and ask everyone to respect the family's privacy during this very difficult time."

A rep for the family confirmed the news to People.

Blackstock, the son of Narval Blackstock and the former stepson of singer and actress Reba McEntire, was married to Clarkson from 2013 to 2022. Blackstock had two children with Clarkson, daughter River Rose, 11, and son Remington Alexander, and two children, Savannah and Seth, from his previous marriage.