India, Feb. 22 -- A whistleblower warned King Charles III as early as 2019 that Prince Andrew, Duke of York's business relationships risked exploiting the Royal Family's name, according to documents cited by the Daily Mail.

The reported email, sent to Charles when he was Prince of Wales via royal lawyers Farrer & Co, alleged that controversial financier David Rowland was benefiting from his links to Andrew.

The communication claimed Andrew's conduct suggested he viewed his relationship with Rowland as "more important than that of his family," and warned of the "abuse of the Royal Family's name." A follow-up email, copied to palace aides and legal representatives, reportedly stated that evidence "unequivocally proves" such misuse.

It al...