India, Aug. 8 -- Brandon Blackstock, a Hollywood talent manager who was formerly married to actor Kelly Clarkson, died at the age of 48 on Thursday, the family confirmed. Clarkson was the former stepson of singer Reba McEntire. Their relationship stems from McEntire's marriage to Narval Blackstock, a film producer and manager.

Brandon was the second child of Narval Blackstock, from his first marriage with Elisa Gayle Ritter, which lasted from 1973 to 1988. Narval Blackstock married Reba McEntire in 1989, and their marriage lasted until 2015. Narval Blackstock has three children from his marriage to Elisa Gayle Ritter: daughters Chassidy Celeste and Shawna Rene Blackstock and son Brandon.

Reba McEntire and Narval Blackstock have one chil...