Robert F. Kennedy Jr. is 57 years old (birthdate: January 17, 1954).
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Robert F. Kennedy was born on November 20, 1925 and died on June 6, 1968. Robert F. Kennedy would have been 42 years old at the time of death or 86 years old today.
John F. Kennedy Jr. was born on November 25, 1960 and died on July 16, 1999. John F. Kennedy Jr. would have been 38 years old at the time of death or 51 years old today.