Prior to his relationship with Clarkson, Blackstock was married to Melissa Ashworth from 1999 to 2012. The former couple shared daughter Savannah Blackstock, 23, and son Seth Blackstock, 18. Blackstock became a grandfather in January 2022 when Savannah Blackstock welcomed the first of her two children, with a third currently on the way.

Brandon Blackstock had been dating Brittney Marie Jones in the years preceding his death. “Brandon and Brittney were in a relationship, and his family was very happy and supportive,” a source exclusively told Us Weekly in August.