Chicago, Illinois (CNN) -- The four people found dead this week in a suburban Chicago home were the victims of a murder-suicide, a coroner said.



A man, a woman and two boys were found dead Wednesday in a house in Addison, Illinois, west of Chicago, according to the DuPage County coroner's office.



A statement from the coroner's office identified the four as Thomas Mangiantini, 48, his wife Elizabeth, 46, and the couple's two sons, Angelo, 12, and Thomas, 8.



The deaths of Elizabeth Mangiantini and the two children were called homicides in the coroner's report. Thomas Mangiantini's manner of death was ruled a suicide, the report said.



Police received a 911 call from a woman at 6:30 a.m. CT Wednesday, according to CNN affiliate WGN-TV in Chicago. When officers arrived at the scene, they found a female dead downstairs in the house and the bodies of three males upstairs, according to WGN.



A spokesman for the Addison Police Department declined to give more information Friday.
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