- Prince Charles was married to Princess Diana
- However, he knew her sister Sarah prior
- Learn more about their relationship in the video above
It was in 1977 that Sarah and Prince Charles had an affair that turned into a brief courtship. At that time, the prince was 28 years old being six years older than Sarah, who at the time was 22. Apparently, the couple enjoyed their relationship and had some great times together. They even came to travel to Switzerland together to a ski resort, to have some fun and let loose...
Watch the video above to learn more!