Ronald DeFeo Sr. was born on 16 November 1930 in Brooklyn, New York City, New York, USA. He was married to Louise DeFeo. He died on 13 November 1974 in Amityville, Long Island, New York, USA.

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Ronald DeFeo Sr., Allison DeFeo, Marc DeFeo, John Matthew DeFeo, and Louise DeFeo in Amityville: The Haunting (2000)

Ronald DeFeo Sr. and Ronald DeFeo in Amityville: The Haunting (2000)

Ronald DeFeo Sr.(1930-1974)

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