
Pui Prachumsaen, 73, and his wife, Malee Son-utha, 66, died at Kalasin Hospital soon after the accident.
The motorcycle was destroyed in the collision on Kalasin-Ban Ton Road in Tambon Nua and the Honda City that struck it careened into a roadside shop.
Car driver Jiranda Sribanchuen, 26, suffered minor injuries and was hospitalised. At press time, police were still waiting to interview her.