It happened around 8:15 a.m. Tuesday on Highway 29 near County Highway MMM in the town of Richmond.
Sheriff’s officials say the driver, a 73-year-old Marion man, lost control and rolled his pickup truck. He was ejected from the vehicle and died at the hospital.
The passenger, a 71-year-old woman, died at the scene.
73-year-old Dennis Schmandt and 71-year-old Sally Schmandt were killed.