Robert F. Kennedy's granddaughter is dead at the age of 22,
Specific details regarding the death of Saoirse Kennedy Hill have not been released.
By the time first responders arrived Thursday at the home of her 91-year-old grandmother, Ethel Kennedy, Saoirse was already in cardiac arrest.
She was taken from the Kennedy Compound to Cape Cod Hospital, where she was pronounced dead.
Ethel Kennedy said in a statement that announced Saoirse's death, "the world is a little less beautiful today."
(Photo Credit: Google Earth screenshot)