Neighbours in the village of Czerniki, northern Poland, said Piotr Gierasik used to beat and chase his son Damian out of their home when he wanted to have sex with daughter Paulina
Piotr Gierasik, 54, and Paulina Gierasik, 20, were arrested and face life in prison after babies were found in the basement of the family home but locals now fear there could be even more victims
An unnamed neighbour told local media they suspected something was wrong with the family as they "often heard him [Piotr] yelling at the children, and sometimes we heard Paulina screaming as well"
Piotr, 54, and Paulina Gierasik, 20, are now facing life in prison for murder and their incestuous relationship after the remains three infants were discovered in the basement of a property