India, Feb. 2 -- Convicted sex offender Jeffrey Epstein may have had a secret child about 15 years ago, according to a newly surfaced email sent by Sarah Ferguson, the former wife of Britain's former Prince Andrew.

The email, dated September 21, 2011, is part of a fresh release of more than 3 million pages of documents by the US Department of Justice (DOJ) related to Epstein and his associates. At the time the email was sent, Epstein had already been convicted of sex with an underage girl.

"Don't know if you're still on this bbm but have heard from The Duke that you have had a baby boy," Ferguson wrote, according to the released files.

"Even though you never kept in touch, I still am here with love, friendship, and congratualtions [sic...