Danah McKinnon-Bozek, who was eight months pregnant, and her daughters were hit in the entranceway of the store on July 25, 2014. Six-year-old Addison Hall was killed and three-year-old Miah Bozek was critically injured in the crash.
McKinnon-Bozek underwent an emergency caesarean section. Her newborn daughter, Rhiannon, died in hospital a week later.
Two other people suffered minor injuries in the crash, along with the driver of the car.
Burger, 65, is charged with:- Two counts of criminal negligence causing death.
- Two counts of criminal negligence causing bodily harm.
The judge-only trial is taking place in London in southwestern Ontario.