321263
He is best known for his photographs of John F. Kennedy , his wife Jacqueline Kennedy , and their children , Caroline and John F. Kennedy , Jr. In 1964 , many of these images were published in the book The John F. Kennedys : A Family Album , which became a bestseller .
 John F. Kennedy, Jacqueline Kennedy, Caroline, John F. Kennedy , Jr., F.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John F. Kennedy, Jacqueline Kennedy, Caroline, John F. Kennedy , Jr., F.