Katherine Schwarzenegger Pratt is an American author. She has written three self-help books, on subjects like self-image, forgiveness and finding direction after college; she has also written a children's book about adopting her dog. Schwarzenegger is the eldest child of Arnold Schwarzenegger and Maria Shriver. Through her mother, Schwarzenegger is a member of the Kennedy family; she is a grand-niece of United States President John F. Kennedy and U.S. senators and former presidential candidates Robert F. Kennedy and Ted Kennedy.