The house is said to be in the town of Douai, some 150 km north of Paris.
Investigators later kept the remains of eight infants in two different locations. The suspected parents of the babies were then taken into police custody.
The Douia prosecutor is to issue a statement on find Thursday, Jul 29, the justice sources said. The find recalls a case from three years back when the corpses of six infants were found in a cellar of a house in France.
The mother later admitted to having killed the babies.