- Born
- Died
- Birth nameDawn Theresa DeFeo
- Dawn DeFeo was born on July 29, 1956 in Brooklyn, New York City, New York, USA. She died on November 13, 1974 in Amityville, Long Island, New York, USA.
- Parents
- RelativesRonald DeFeo(Sibling)Marc DeFeo(Sibling)John Matthew DeFeo(Sibling)Michael Brigante Sr.(Grandparent)Allison DeFeo(Sibling)
- Daughter of Ronald DeFeo Sr. and Louise DeFeo.
- Ex-sister-in-law of Barbara Puco, Tracey Defeo and Nissa Burkhalter.
- Was shot with a 35 caliber lever action Marlin 336C rifle by her older brother, Ronald DeFeo. Dawn shot at close range as well (less than 3 inches) in the bottom of her neck. The bullet exited through the left ear.
- Granddaughter of Rocco DeFeo, Antoinette "Nettie" DeFeo, Michael Brigante, Sr. and Angelina M. Brigante.
- Younger sister of Ronald DeFeo and older sister of Allison DeFeo, Marc DeFeo and John Matthew DeFeo.
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