Kyle Kennedy, a granddaughter of Robert F Kennedy and Ethel Kennedy, has died at the age of 42. She died at her home in Westwood, Massachusetts, according to the report. Robert F Kennedy served as attorney general of the United States during his brother President John F Kennedy's administration. The report did not state her cause of death. The brief account also gave no details about Kennedy's career or personal life. It did not list the date of her death or provide information about memorial arrangements.