As Katie Ledecky competes in her second Olympics in Rio, her family is cheering her on. The 19-year-old swimmer made her Olympics debut at the 2012 London games, where she broke the American record in the 800-meter freestyle and took home a gold medal.
Throughout Ledecky's swimming career, her family has been her support system. Click through the photos to see, and learn more about her brother, Michael. (Instagram)