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Brandon Blackstock passed away at age 48.
Brandon was previously married to Kelly Clarkson, and the two share a son and a daughter.
Brandon's father, Narvel, was once married to Reba McEntire.
Kelly Clarkson has captured the hearts of America since rising to fame on American Idol more than a decade ago. The Grammy-winning singer is one of the best-selling contestants of all time, and continues to put out chart-topping songs year after year. But few people realize that the Texas native's connection to country music runs even deeper than her own albums. Clarkson has a special connection to the "Queen of Country" herself, Reba McEntire .
Reba married manager and guitarist Narvel Blackstock in 1989, making her the stepmother to his three children