The drama occurred Tuesday morning at Morlincourt, in the Oise.
The mother of a family was performing a maneuver with his car in the courtyard of the family property.
By doing a reverse, it crushed accidentally-old daughter a year and a half.
The rescue, arrived on the scene, have only been able to see the death of the little girl, who died on the spot.
According to the first elements of the investigation, the mother had left her baby to drink his bottle in the house. But the child had to want to join her mother on the outside and it would not have been seen because of the angle of death.