Zara Tindall – $20 million
Zara Tindall, the Queen’s granddaughter, had an interest in sports. The equestrian world was very important to the royal family. The royal family enjoyed training, and riding horses, and Zara was one of the most well-known people to thrive in this area. She enjoyed competing and won a silver medal at the Olympics. She not only won medals, but she also made a lot of money by endorsing certain well-known businesses.