[custom_adv] Katherine Eunice Schwarzenegger Pratt (born December 13, 1989) is an American author. She is the eldest child of actor and former Governor of California Arnold Schwarzenegger and broadcast journalist Maria Shriver. [custom_adv] Katherine Eunice Schwarzenegger was born and raised in Los Angeles, California. She is the eldest child of Austrian-born actor and politician Arnold Schwarzenegger and journalist and author Maria Shriver. She is of Irish and German descent through her maternal grandparents Eunice and Sargent Shriver. [custom_adv] Her grandmother was a younger sister to President John F. Kennedy while her grandfather was a U.S. Ambassador to France and the Democratic nominee for Vice President of the United States in the 1972 election. [custom_adv] She has a younger sister, Christina, and two younger brothers, Patrick and Christopher Schwarzenegger. Through her father, she also has a half-brother, Joseph Baena.In 2010, Schwarzenegger wrote a book entitled Rock What You've Got: Secrets to Loving Your Inner and Outer Beauty from Someone Who's Been There and Back. [custom_adv] Schwarzenegger uses the book to describe her personal journey and encourage other young women to achieve confidence and a positive self-image. She had body-image issues between fourth and seventh grade, but now controls her physical and mental health with walking exercises and yoga. [custom_adv] In 2017, Schwarzenegger authored a children's book, Maverick and Me. The book tells the story of how Schwarzenegger rescued and subsequently adopted her dog, Maverick. Using her own experience as a "foster fail" (when a foster home turns into a "furever" home), the book touts the benefits of pet adoption and rescue.