Sarah Ferguson, Duchess of York, mother of Princess Beatrice and Princess Eugenie and aunt to Prince William & Prince Harry, is treated for breast cancer. Get the details. Full Story: https://www.eonline.com/news/1378190/sarah-ferguson-duchess-of-york-treated-for-breast-cancer #SarahFerguson #RoyalFamily #BreastCancer #ENews Subscribe: http://bit.ly/enewssub About E! News: The E! News team brings you the latest breaking entertainment, fashion and Pop Culture news.