Kick Kennedy, buried at chatsworth, read black diamonds for more info.
With more to come, new JFK documents offer fresh leads 54 years later - December 28, 2017. In addition to the death of his brother, Kennedy's personal life was beset with other tragedies. His younger sister, Rose Marie "Rosemary" Kennedy, had intellectual disabilities since birth and underwent a prefrontal lobotomy at age 23, which left her permanently incapacitated. His other younger sister, Kathleen Kennedy Cavendish, died in a plane crash in France in 1948.