Authorities have identified the two people killed in Monday's head-on collision on Kelly Bridge Road as adult siblings from Dawsonville. Cheryl Renee Phillips, 56, and her brother Terry Lee Nichols, 53, died at the scene of the crash, according to Georgia State Patrol spokeswoman Robin Stone. The driver of the second vehicle, 39-year-old Misty Kobor, also of Dawsonville, was taken by ambulance to an area hospital with non-life-threating injuries.