- Born
- Died
- Birth nameMarc Gregory DeFeo
- Marc DeFeo was born on September 4, 1962 in Brooklyn, New York City, New York, USA. He died on November 13, 1974 in Amityville, Long Island, New York, USA.
- Parents
- RelativesRonald DeFeo(Sibling)Michael Brigante Sr.(Grandparent)Allison DeFeo(Sibling)Dawn DeFeo(Sibling)John Matthew DeFeo(Sibling)
- Was shot with a 35 caliber lever action Marlin 336C rifle by his older brother, Ronald DeFeo. Marc and his brother, John are fired at close range (less than 2 inches). The bullets penetrated the heart, lungs, diaphragm and liver of each victim. The spinal cord of John is severely affected.
- Grandson of Rocco DeFeo, Antoinette "Nettie" DeFeo, Michael Brigante, Sr. and Angelina M. Brigante.
- Son of Ronald, Sr., and Louise DeFeo.
- Ex-brother-in-law of Barbara Puco, Tracey Defeo and Nissa Burkhalter.
- His father's uncle was Pete DeFeo, a caporegime in the Genovese crime family.
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