The daughter of country music legend Hank Williams Jr. has died in a car crash.br Katherine Williams-Dunning was driving a 2007 Chevy Tahoe while towing a boat Saturday night in Tennessee.br The SUV, she was driving crossed the median of the highway and began a "rollover sequence".br Her husband, 29-year-old Tyler Dunning was in the passenger seat of the SUV.br 27-year-old Williams-Dunning was killed while her husband was flown to the hospital.br The couple married in October 2015 and had two children, 5-year-old son Beau and 2-year-old daughter Audrey.