Ronald DeFeo Sr

Ronald DeFeo Sr was the father, and husband of the DeFeo family, he is loosely based off the real life Ronald DeFeo Sr.

History
In the Amityville Murders Ronald DeFeo Sr, like his real life counterpart is depicted as an abusive, angry father/husband. He is known to beat members of his family including Dawn, Ronald Butch DeFeo Jr. and his wife Louise DeFeo. A notable incident was when he discovered that his money was apparently stolen and he threatened to kill Butch in front of a terrified DeFeo Family, but it was revealed that Dawn called the police on him.