Ms. Kennedy's death was confirmed by her family, but they did not comment or disclose any details, The New York Times
An autopsy performed Thursday by the Westchester County Medical Examiner revealed that Mary died from asphyxiation by hanging. Her body was said to be found hanging in a barn.
"We deeply regret the death of our beloved sister Mary whose radiant and creative spirit will be sorely missed by those who loved her, a family representative told Radar Online
. "Our heart goes out to her children who she loved without reservation. We have no further comment at this time."
Mary Richardson married Robert F. Kennedy Jr., the son of Robert F. Kennedy, in 1994. The two had four children together. Robert had two children from his first marriage.
According to The New York Times
, although media reports said that Mary and Robert were estranged and that he filed for divorce in 2010, Mary's lawyer, Kerry A. Lawrence, said Wednesday that the two were not divorced. Mary was arrested twice in 2010-once for driving under the influence of alcohol. and another time for driving under the influence of prescription medication. She had reportedly battled addictions to both.
"She was deeply troubled, abusing alcohol and prescription drugs," a close family friend said according to the NY Post
. "She had cause. She was used up and tossed away by Bobby. That was awful."
reports that according to a source close tot he situation, Robert did try to support Mary through her battles. He was there for her as a friend, but he moved on, and has reportedly been dating Curb Your Enthusiasm
actress Cheryl Hines.