FILE - In this Monday, March 7, 2016 file photo, Sarah Ferguson, Duchess of York, salutes during a press event, in Mexico City. Ferguson has landed a book deal for her de...

FILE - In this Aug. 31, 2019 file photo, Britain's Princess Beatrice with her fiance, Edoardo Mapelli Mozzi, attend the wedding of Ellie Goulding and Caspar Jopling, in Y...

The firm, Blackfords LLP, said U.S. authorities requested the help of the son of Queen Elizabeth II for the first time in January after having investigated Epstein for 16...