Robert Kennedy Jr. and late wife Mary Richardson Kennedy
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Joseph P. Kennedy and his wife Rosemary Kennedy pose with their nine children at Bronxville, N.Y., 1938. From left are, seated: Eunice, Jean, Edward (on lap of his father), Patricia, and Kathleen. Standing: Rosemary, Robert, John, Mrs. Kennedy, and Joseph, Jr.
AP
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Rosemary Kennedy (third from the left) was believed to be suffering from mental illness, causing her father Joseph P. Kennedy Sr. to arrange a secret lobotomy. The failed lobotomy further damaged her mental capacity, and as a result, Rosemary was institutionalized until her death in 2005.
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The oldest Kennedy son, Joseph P. Kennedy, Jr., died in a plane crash over the English Channel during World War II. He was 29.
Getty
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Kathleen Kennedy Cavendish (right) died in a plane crash in 1948 aged 28. Her husband, William John Robert Cavendish (left), died in World War II.
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John F. Kennedy reportedly had several affairs while president, including with Marilyn Monroe and teenage White House intern Mimi Alford.
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Marilyn Monroe also reportedly had an affair with JFK’s brother Bobby Kennedy.
REUTERS/Jessica Rinaldi
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Patrick Bouvier Kennedy, the infant son of President John F. Kennedy and First Lady Jacqueline Kennedy, died at 2 days old in 1963.
Ron Sachs / CNP
John F. Kennedy Jr., 3, salutes his father’s casket, Nov. 25, 1963.
AP
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Sen. Edward M. Kennedy – with his father Joseph P. Kennedy – recuperates after breaking his back in a 1964 plane crash.
AP
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Sen. Robert F. Kennedy, moments before he was assassinated following a 1968 speech in Los Angeles.
AP
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Senator Edward M. Kennedy’s car after a 1969 crash in Chappaquiddick. Mary Jo Kopechne, who worked with Bobby Kennedy before he was assassinated, died in the accident.
Boston Globe /Landov
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Edward Kennedy Jr., the son of Edward Kennedy, lost his leg to cancer in 1973, aged 12. He is seen here throwing out the first pitch at Shea Stadium.
Getty
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David Anthony Kennedy (second from left), son of Robert, died of a of a drug overdose in 1984, aged 28.
Everett
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Jacqueline Kennedy Onassis died from cancer in 1994.
AP Photo/Susan Ragan
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Mourners say goodbye to Michael Kennedy, the son of Robert, who died in a 1997 skiing accident.
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John F. Kennedy Jr. and his wife Carolyn Bessette were killed in a 1999 plane crash.
REUTERS/Mike Segar
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Michael Skakel – Ethel Kennedy’s nephew – prepares to surrender in 2000 to charges in connection with the 1975 beating death of 15-year-old Martha Moxley, a childhood friend.
AP Photo/Douglas Healey
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Sen. Edward M. “Ted” Kennedy was diagnosed with brain cancer in 2008 and died one year later.
PAUL J. RICHARDS/AFP/Getty Images
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Kara Kennedy Allen, daughter of Sen. Edward Kennedy, died of a heart attack at age 51 in 2011.
REUTERS/Brian Snyder/Files
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Mary Richardson Kennedy died of an apparent suicide in 2012.
AP Photo/Peter T. Michaelis